Home / 301,436,251.20-452,154,376.80-128,930,502.60

Finding the Fourth Proportional to 301,436,251.20, 452,154,376.80 and 128,930,502.60

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Solution

The fourth proportional to 301,436,251.20, 452,154,376.80 and 128,930,502.60 is: 193,395,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,436,251.20 : 452,154,376.80 = 128,930,502.60 : x
  2. Step 2: Convert to fraction form
    301,436,251.20/452,154,376.80 = 128,930,502.60/x
  3. Step 3: Cross multiply
    301,436,251.20x = 452,154,376.80 × 128,930,502.60
  4. Step 4: Simplify right side
    301,436,251.20x = 58,296,491,053,613,776
  5. Step 5: Solve for x
    x = 58,296,491,053,613,776/301,436,251.20
  6. Step 6: Final answer
    x = 193,395,753.90

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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.