Home / 287,381,421.06-431,344,662.57-177,875,347.02

Finding the Fourth Proportional to 287,381,421.06, 431,344,662.57 and 177,875,347.02

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Solution

The fourth proportional to 287,381,421.06, 431,344,662.57 and 177,875,347.02 is: 266,981,704.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,381,421.06 : 431,344,662.57 = 177,875,347.02 : x
  2. Step 2: Convert to fraction form
    287,381,421.06/431,344,662.57 = 177,875,347.02/x
  3. Step 3: Cross multiply
    287,381,421.06x = 431,344,662.57 × 177,875,347.02
  4. Step 4: Simplify right side
    287,381,421.06x = 76,725,581,539,863,552
  5. Step 5: Solve for x
    x = 76,725,581,539,863,552/287,381,421.06
  6. Step 6: Final answer
    x = 266,981,704.16

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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.