Home / 72,592,701.30-108,889,051.95-56,153,459.70

Finding the Fourth Proportional to 72,592,701.30, 108,889,051.95 and 56,153,459.70

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Solution

The fourth proportional to 72,592,701.30, 108,889,051.95 and 56,153,459.70 is: 84,230,189.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,592,701.30 : 108,889,051.95 = 56,153,459.70 : x
  2. Step 2: Convert to fraction form
    72,592,701.30/108,889,051.95 = 56,153,459.70/x
  3. Step 3: Cross multiply
    72,592,701.30x = 108,889,051.95 × 56,153,459.70
  4. Step 4: Simplify right side
    72,592,701.30x = 6,114,496,990,445,532
  5. Step 5: Solve for x
    x = 6,114,496,990,445,532/72,592,701.30
  6. Step 6: Final answer
    x = 84,230,189.55

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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.