Home / 72,435,642.30-108,653,463.45-23,920,983.90

Finding the Fourth Proportional to 72,435,642.30, 108,653,463.45 and 23,920,983.90

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Solution

The fourth proportional to 72,435,642.30, 108,653,463.45 and 23,920,983.90 is: 35,881,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,435,642.30 : 108,653,463.45 = 23,920,983.90 : x
  2. Step 2: Convert to fraction form
    72,435,642.30/108,653,463.45 = 23,920,983.90/x
  3. Step 3: Cross multiply
    72,435,642.30x = 108,653,463.45 × 23,920,983.90
  4. Step 4: Simplify right side
    72,435,642.30x = 2,599,097,749,866,688.50
  5. Step 5: Solve for x
    x = 2,599,097,749,866,688.50/72,435,642.30
  6. Step 6: Final answer
    x = 35,881,475.85

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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.