Home / 103,204,665.30-142,390,374.38-58,543,276.70

Finding the Fourth Proportional to 103,204,665.30, 142,390,374.38 and 58,543,276.70

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Solution

The fourth proportional to 103,204,665.30, 142,390,374.38 and 58,543,276.70 is: 80,771,533.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,204,665.30 : 142,390,374.38 = 58,543,276.70 : x
  2. Step 2: Convert to fraction form
    103,204,665.30/142,390,374.38 = 58,543,276.70/x
  3. Step 3: Cross multiply
    103,204,665.30x = 142,390,374.38 × 58,543,276.70
  4. Step 4: Simplify right side
    103,204,665.30x = 8,335,999,086,744,931
  5. Step 5: Solve for x
    x = 8,335,999,086,744,931/103,204,665.30
  6. Step 6: Final answer
    x = 80,771,533.56

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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.