Home / 70,656,099,216.40-105,984,148,824.60-40,902,205,661.20

Finding the Fourth Proportional to 70,656,099,216.40, 105,984,148,824.60 and 40,902,205,661.20

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Solution

The fourth proportional to 70,656,099,216.40, 105,984,148,824.60 and 40,902,205,661.20 is: 61,353,308,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,656,099,216.40 : 105,984,148,824.60 = 40,902,205,661.20 : x
  2. Step 2: Convert to fraction form
    70,656,099,216.40/105,984,148,824.60 = 40,902,205,661.20/x
  3. Step 3: Cross multiply
    70,656,099,216.40x = 105,984,148,824.60 × 40,902,205,661.20
  4. Step 4: Simplify right side
    70,656,099,216.40x = 4,334,985,452,051,017,236,480
  5. Step 5: Solve for x
    x = 4,334,985,452,051,017,236,480/70,656,099,216.40
  6. Step 6: Final answer
    x = 61,353,308,491.80

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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.