Home / 103,588,064.82-142,951,543.68-57,178,328.58

Finding the Fourth Proportional to 103,588,064.82, 142,951,543.68 and 57,178,328.58

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Solution

The fourth proportional to 103,588,064.82, 142,951,543.68 and 57,178,328.58 is: 78,906,101.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,588,064.82 : 142,951,543.68 = 57,178,328.58 : x
  2. Step 2: Convert to fraction form
    103,588,064.82/142,951,543.68 = 57,178,328.58/x
  3. Step 3: Cross multiply
    103,588,064.82x = 142,951,543.68 × 57,178,328.58
  4. Step 4: Simplify right side
    103,588,064.82x = 8,173,730,335,553,263
  5. Step 5: Solve for x
    x = 8,173,730,335,553,263/103,588,064.82
  6. Step 6: Final answer
    x = 78,906,101.29

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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.