Home / 61,951,472.69-85,580,456.33-49,643,328.29

Finding the Fourth Proportional to 61,951,472.69, 85,580,456.33 and 49,643,328.29

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Solution

The fourth proportional to 61,951,472.69, 85,580,456.33 and 49,643,328.29 is: 68,577,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,951,472.69 : 85,580,456.33 = 49,643,328.29 : x
  2. Step 2: Convert to fraction form
    61,951,472.69/85,580,456.33 = 49,643,328.29/x
  3. Step 3: Cross multiply
    61,951,472.69x = 85,580,456.33 × 49,643,328.29
  4. Step 4: Simplify right side
    61,951,472.69x = 4,248,498,688,549,982
  5. Step 5: Solve for x
    x = 4,248,498,688,549,982/61,951,472.69
  6. Step 6: Final answer
    x = 68,577,848.18

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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.