Home / 70,656,099,221.40-105,984,148,832.10-40,902,205,666.20

Finding the Fourth Proportional to 70,656,099,221.40, 105,984,148,832.10 and 40,902,205,666.20

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Solution

The fourth proportional to 70,656,099,221.40, 105,984,148,832.10 and 40,902,205,666.20 is: 61,353,308,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,656,099,221.40 : 105,984,148,832.10 = 40,902,205,666.20 : x
  2. Step 2: Convert to fraction form
    70,656,099,221.40/105,984,148,832.10 = 40,902,205,666.20/x
  3. Step 3: Cross multiply
    70,656,099,221.40x = 105,984,148,832.10 × 40,902,205,666.20
  4. Step 4: Simplify right side
    70,656,099,221.40x = 4,334,985,452,887,704,862,720
  5. Step 5: Solve for x
    x = 4,334,985,452,887,704,862,720/70,656,099,221.40
  6. Step 6: Final answer
    x = 61,353,308,499.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.