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Finding the Fourth Proportional to 250,886,788.16, 375,781,507.68 and 177,882,278.72

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Solution

The fourth proportional to 250,886,788.16, 375,781,507.68 and 177,882,278.72 is: 266,434,400.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,886,788.16 : 375,781,507.68 = 177,882,278.72 : x
  2. Step 2: Convert to fraction form
    250,886,788.16/375,781,507.68 = 177,882,278.72/x
  3. Step 3: Cross multiply
    250,886,788.16x = 375,781,507.68 × 177,882,278.72
  4. Step 4: Simplify right side
    250,886,788.16x = 66,844,870,886,955,584
  5. Step 5: Solve for x
    x = 66,844,870,886,955,584/250,886,788.16
  6. Step 6: Final answer
    x = 266,434,400.06

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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.