Home / 177,412,942.80-266,119,414.20-86,594,792.40

Finding the Fourth Proportional to 177,412,942.80, 266,119,414.20 and 86,594,792.40

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Solution

The fourth proportional to 177,412,942.80, 266,119,414.20 and 86,594,792.40 is: 129,892,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,412,942.80 : 266,119,414.20 = 86,594,792.40 : x
  2. Step 2: Convert to fraction form
    177,412,942.80/266,119,414.20 = 86,594,792.40/x
  3. Step 3: Cross multiply
    177,412,942.80x = 266,119,414.20 × 86,594,792.40
  4. Step 4: Simplify right side
    177,412,942.80x = 23,044,555,426,258,612
  5. Step 5: Solve for x
    x = 23,044,555,426,258,612/177,412,942.80
  6. Step 6: Final answer
    x = 129,892,188.60

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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.