Home / 187,272,036.80-280,908,055.20-153,231,819.20

Finding the Fourth Proportional to 187,272,036.80, 280,908,055.20 and 153,231,819.20

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Solution

The fourth proportional to 187,272,036.80, 280,908,055.20 and 153,231,819.20 is: 229,847,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,272,036.80 : 280,908,055.20 = 153,231,819.20 : x
  2. Step 2: Convert to fraction form
    187,272,036.80/280,908,055.20 = 153,231,819.20/x
  3. Step 3: Cross multiply
    187,272,036.80x = 280,908,055.20 × 153,231,819.20
  4. Step 4: Simplify right side
    187,272,036.80x = 43,044,052,326,230,016
  5. Step 5: Solve for x
    x = 43,044,052,326,230,016/187,272,036.80
  6. Step 6: Final answer
    x = 229,847,728.80

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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.