Home / 187,152,022.80-280,728,034.20-157,590,781.20

Finding the Fourth Proportional to 187,152,022.80, 280,728,034.20 and 157,590,781.20

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Solution

The fourth proportional to 187,152,022.80, 280,728,034.20 and 157,590,781.20 is: 236,386,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,152,022.80 : 280,728,034.20 = 157,590,781.20 : x
  2. Step 2: Convert to fraction form
    187,152,022.80/280,728,034.20 = 157,590,781.20/x
  3. Step 3: Cross multiply
    187,152,022.80x = 280,728,034.20 × 157,590,781.20
  4. Step 4: Simplify right side
    187,152,022.80x = 44,240,150,214,318,312
  5. Step 5: Solve for x
    x = 44,240,150,214,318,312/187,152,022.80
  6. Step 6: Final answer
    x = 236,386,171.80

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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.