Home / 381,115,316.57-571,700,298.98-159,563,708.33

Finding the Fourth Proportional to 381,115,316.57, 571,700,298.98 and 159,563,708.33

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Solution

The fourth proportional to 381,115,316.57, 571,700,298.98 and 159,563,708.33 is: 239,357,002.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,115,316.57 : 571,700,298.98 = 159,563,708.33 : x
  2. Step 2: Convert to fraction form
    381,115,316.57/571,700,298.98 = 159,563,708.33/x
  3. Step 3: Cross multiply
    381,115,316.57x = 571,700,298.98 × 159,563,708.33
  4. Step 4: Simplify right side
    381,115,316.57x = 91,222,619,756,155,728
  5. Step 5: Solve for x
    x = 91,222,619,756,155,728/381,115,316.57
  6. Step 6: Final answer
    x = 239,357,002.44

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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.