Home / 39,936,005.80-59,904,008.70-31,442,540.20

Finding the Fourth Proportional to 39,936,005.80, 59,904,008.70 and 31,442,540.20

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Solution

The fourth proportional to 39,936,005.80, 59,904,008.70 and 31,442,540.20 is: 47,163,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,936,005.80 : 59,904,008.70 = 31,442,540.20 : x
  2. Step 2: Convert to fraction form
    39,936,005.80/59,904,008.70 = 31,442,540.20/x
  3. Step 3: Cross multiply
    39,936,005.80x = 59,904,008.70 × 31,442,540.20
  4. Step 4: Simplify right side
    39,936,005.80x = 1,883,534,201,690,899.75
  5. Step 5: Solve for x
    x = 1,883,534,201,690,899.75/39,936,005.80
  6. Step 6: Final answer
    x = 47,163,810.30

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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.