Home / 90,534,013.10-135,810,736.78-38,723,999.66

Finding the Fourth Proportional to 90,534,013.10, 135,810,736.78 and 38,723,999.66

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Solution

The fourth proportional to 90,534,013.10, 135,810,736.78 and 38,723,999.66 is: 58,090,155.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,534,013.10 : 135,810,736.78 = 38,723,999.66 : x
  2. Step 2: Convert to fraction form
    90,534,013.10/135,810,736.78 = 38,723,999.66/x
  3. Step 3: Cross multiply
    90,534,013.10x = 135,810,736.78 × 38,723,999.66
  4. Step 4: Simplify right side
    90,534,013.10x = 5,259,134,924,893,069
  5. Step 5: Solve for x
    x = 5,259,134,924,893,069/90,534,013.10
  6. Step 6: Final answer
    x = 58,090,155.79

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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.