Home / 54,198,099.92-74,791,442.76-30,676,131.92

Finding the Fourth Proportional to 54,198,099.92, 74,791,442.76 and 30,676,131.92

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Solution

The fourth proportional to 54,198,099.92, 74,791,442.76 and 30,676,131.92 is: 42,331,966.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,198,099.92 : 74,791,442.76 = 30,676,131.92 : x
  2. Step 2: Convert to fraction form
    54,198,099.92/74,791,442.76 = 30,676,131.92/x
  3. Step 3: Cross multiply
    54,198,099.92x = 74,791,442.76 × 30,676,131.92
  4. Step 4: Simplify right side
    54,198,099.92x = 2,294,312,164,592,889
  5. Step 5: Solve for x
    x = 2,294,312,164,592,889/54,198,099.92
  6. Step 6: Final answer
    x = 42,331,966.77

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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.