Home / 77,936,008.80-116,904,013.20-42,104,200.80

Finding the Fourth Proportional to 77,936,008.80, 116,904,013.20 and 42,104,200.80

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Solution

The fourth proportional to 77,936,008.80, 116,904,013.20 and 42,104,200.80 is: 63,156,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,936,008.80 : 116,904,013.20 = 42,104,200.80 : x
  2. Step 2: Convert to fraction form
    77,936,008.80/116,904,013.20 = 42,104,200.80/x
  3. Step 3: Cross multiply
    77,936,008.80x = 116,904,013.20 × 42,104,200.80
  4. Step 4: Simplify right side
    77,936,008.80x = 4,922,150,046,098,650
  5. Step 5: Solve for x
    x = 4,922,150,046,098,650/77,936,008.80
  6. Step 6: Final answer
    x = 63,156,301.20

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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.