Home / 74,367,126.48-102,638,805.24-61,957,541.76

Finding the Fourth Proportional to 74,367,126.48, 102,638,805.24 and 61,957,541.76

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Solution

The fourth proportional to 74,367,126.48, 102,638,805.24 and 61,957,541.76 is: 85,511,547.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,367,126.48 : 102,638,805.24 = 61,957,541.76 : x
  2. Step 2: Convert to fraction form
    74,367,126.48/102,638,805.24 = 61,957,541.76/x
  3. Step 3: Cross multiply
    74,367,126.48x = 102,638,805.24 × 61,957,541.76
  4. Step 4: Simplify right side
    74,367,126.48x = 6,359,248,061,853,806
  5. Step 5: Solve for x
    x = 6,359,248,061,853,806/74,367,126.48
  6. Step 6: Final answer
    x = 85,511,547.41

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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.