Home / 90,577,921.56-124,994,248.11-55,354,655.22

Finding the Fourth Proportional to 90,577,921.56, 124,994,248.11 and 55,354,655.22

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Solution

The fourth proportional to 90,577,921.56, 124,994,248.11 and 55,354,655.22 is: 76,387,417.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,577,921.56 : 124,994,248.11 = 55,354,655.22 : x
  2. Step 2: Convert to fraction form
    90,577,921.56/124,994,248.11 = 55,354,655.22/x
  3. Step 3: Cross multiply
    90,577,921.56x = 124,994,248.11 × 55,354,655.22
  4. Step 4: Simplify right side
    90,577,921.56x = 6,919,013,508,612,186
  5. Step 5: Solve for x
    x = 6,919,013,508,612,186/90,577,921.56
  6. Step 6: Final answer
    x = 76,387,417.48

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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.