Home / 187,226,042.40-280,650,106.80-85,063,399.20

Finding the Fourth Proportional to 187,226,042.40, 280,650,106.80 and 85,063,399.20

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Solution

The fourth proportional to 187,226,042.40, 280,650,106.80 and 85,063,399.20 is: 127,509,249.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,226,042.40 : 280,650,106.80 = 85,063,399.20 : x
  2. Step 2: Convert to fraction form
    187,226,042.40/280,650,106.80 = 85,063,399.20/x
  3. Step 3: Cross multiply
    187,226,042.40x = 280,650,106.80 × 85,063,399.20
  4. Step 4: Simplify right side
    187,226,042.40x = 23,873,052,070,251,036
  5. Step 5: Solve for x
    x = 23,873,052,070,251,036/187,226,042.40
  6. Step 6: Final answer
    x = 127,509,249.06

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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.