Home / 381,115,318.56-571,700,301.98-159,563,710.32

Finding the Fourth Proportional to 381,115,318.56, 571,700,301.98 and 159,563,710.32

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Solution

The fourth proportional to 381,115,318.56, 571,700,301.98 and 159,563,710.32 is: 239,357,005.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,115,318.56 : 571,700,301.98 = 159,563,710.32 : x
  2. Step 2: Convert to fraction form
    381,115,318.56/571,700,301.98 = 159,563,710.32/x
  3. Step 3: Cross multiply
    381,115,318.56x = 571,700,301.98 × 159,563,710.32
  4. Step 4: Simplify right side
    381,115,318.56x = 91,222,621,374,993,248
  5. Step 5: Solve for x
    x = 91,222,621,374,993,248/381,115,318.56
  6. Step 6: Final answer
    x = 239,357,005.43

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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.