Home / 187,029,076.80-280,550,030.40-57,635,659.20

Finding the Fourth Proportional to 187,029,076.80, 280,550,030.40 and 57,635,659.20

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Solution

The fourth proportional to 187,029,076.80, 280,550,030.40 and 57,635,659.20 is: 86,455,465.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,029,076.80 : 280,550,030.40 = 57,635,659.20 : x
  2. Step 2: Convert to fraction form
    187,029,076.80/280,550,030.40 = 57,635,659.20/x
  3. Step 3: Cross multiply
    187,029,076.80x = 280,550,030.40 × 57,635,659.20
  4. Step 4: Simplify right side
    187,029,076.80x = 16,169,685,940,684,040
  5. Step 5: Solve for x
    x = 16,169,685,940,684,040/187,029,076.80
  6. Step 6: Final answer
    x = 86,455,465.73

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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.