Home / 129,945,419.07-194,916,291.89-31,577,848.76

Finding the Fourth Proportional to 129,945,419.07, 194,916,291.89 and 31,577,848.76

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Solution

The fourth proportional to 129,945,419.07, 194,916,291.89 and 31,577,848.76 is: 47,366,326.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,945,419.07 : 194,916,291.89 = 31,577,848.76 : x
  2. Step 2: Convert to fraction form
    129,945,419.07/194,916,291.89 = 31,577,848.76/x
  3. Step 3: Cross multiply
    129,945,419.07x = 194,916,291.89 × 31,577,848.76
  4. Step 4: Simplify right side
    129,945,419.07x = 6,155,037,185,029,963
  5. Step 5: Solve for x
    x = 6,155,037,185,029,963/129,945,419.07
  6. Step 6: Final answer
    x = 47,366,326.79

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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.