Home / 193,428,003.70-290,142,005.55-124,553,250.10

Finding the Fourth Proportional to 193,428,003.70, 290,142,005.55 and 124,553,250.10

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Solution

The fourth proportional to 193,428,003.70, 290,142,005.55 and 124,553,250.10 is: 186,829,875.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,428,003.70 : 290,142,005.55 = 124,553,250.10 : x
  2. Step 2: Convert to fraction form
    193,428,003.70/290,142,005.55 = 124,553,250.10/x
  3. Step 3: Cross multiply
    193,428,003.70x = 290,142,005.55 × 124,553,250.10
  4. Step 4: Simplify right side
    193,428,003.70x = 36,138,129,781,784,736
  5. Step 5: Solve for x
    x = 36,138,129,781,784,736/193,428,003.70
  6. Step 6: Final answer
    x = 186,829,875.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.