Home / 187,029,078.80-280,550,033.40-57,635,661.20

Finding the Fourth Proportional to 187,029,078.80, 280,550,033.40 and 57,635,661.20

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Solution

The fourth proportional to 187,029,078.80, 280,550,033.40 and 57,635,661.20 is: 86,455,468.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,029,078.80 : 280,550,033.40 = 57,635,661.20 : x
  2. Step 2: Convert to fraction form
    187,029,078.80/280,550,033.40 = 57,635,661.20/x
  3. Step 3: Cross multiply
    187,029,078.80x = 280,550,033.40 × 57,635,661.20
  4. Step 4: Simplify right side
    187,029,078.80x = 16,169,686,674,691,084
  5. Step 5: Solve for x
    x = 16,169,686,674,691,084/187,029,078.80
  6. Step 6: Final answer
    x = 86,455,468.73

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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.