Home / 78,040,930.52-107,688,635.24-43,227,116.35

Finding the Fourth Proportional to 78,040,930.52, 107,688,635.24 and 43,227,116.35

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Solution

The fourth proportional to 78,040,930.52, 107,688,635.24 and 43,227,116.35 is: 59,649,073.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,040,930.52 : 107,688,635.24 = 43,227,116.35 : x
  2. Step 2: Convert to fraction form
    78,040,930.52/107,688,635.24 = 43,227,116.35/x
  3. Step 3: Cross multiply
    78,040,930.52x = 107,688,635.24 × 43,227,116.35
  4. Step 4: Simplify right side
    78,040,930.52x = 4,655,069,164,606,833
  5. Step 5: Solve for x
    x = 4,655,069,164,606,833/78,040,930.52
  6. Step 6: Final answer
    x = 59,649,073.04

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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.