Home / 108,403,447.96-149,599,753.50-61,356,781.72

Finding the Fourth Proportional to 108,403,447.96, 149,599,753.50 and 61,356,781.72

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Solution

The fourth proportional to 108,403,447.96, 149,599,753.50 and 61,356,781.72 is: 84,674,054.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,403,447.96 : 149,599,753.50 = 61,356,781.72 : x
  2. Step 2: Convert to fraction form
    108,403,447.96/149,599,753.50 = 61,356,781.72/x
  3. Step 3: Cross multiply
    108,403,447.96x = 149,599,753.50 × 61,356,781.72
  4. Step 4: Simplify right side
    108,403,447.96x = 9,178,959,420,865,306
  5. Step 5: Solve for x
    x = 9,178,959,420,865,306/108,403,447.96
  6. Step 6: Final answer
    x = 84,674,054.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.