Home / 122,951,373.31-169,673,060.51-70,739,361.78

Finding the Fourth Proportional to 122,951,373.31, 169,673,060.51 and 70,739,361.78

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Solution

The fourth proportional to 122,951,373.31, 169,673,060.51 and 70,739,361.78 is: 97,620,414.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,951,373.31 : 169,673,060.51 = 70,739,361.78 : x
  2. Step 2: Convert to fraction form
    122,951,373.31/169,673,060.51 = 70,739,361.78/x
  3. Step 3: Cross multiply
    122,951,373.31x = 169,673,060.51 × 70,739,361.78
  4. Step 4: Simplify right side
    122,951,373.31x = 12,002,564,011,736,720
  5. Step 5: Solve for x
    x = 12,002,564,011,736,720/122,951,373.31
  6. Step 6: Final answer
    x = 97,620,414.39

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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.