Home / 287,380,951.14-431,343,957.42-177,874,875.84

Finding the Fourth Proportional to 287,380,951.14, 431,343,957.42 and 177,874,875.84

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Solution

The fourth proportional to 287,380,951.14, 431,343,957.42 and 177,874,875.84 is: 266,980,997.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,380,951.14 : 431,343,957.42 = 177,874,875.84 : x
  2. Step 2: Convert to fraction form
    287,380,951.14/431,343,957.42 = 177,874,875.84/x
  3. Step 3: Cross multiply
    287,380,951.14x = 431,343,957.42 × 177,874,875.84
  4. Step 4: Simplify right side
    287,380,951.14x = 76,725,252,870,416,752
  5. Step 5: Solve for x
    x = 76,725,252,870,416,752/287,380,951.14
  6. Step 6: Final answer
    x = 266,980,997.06

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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.