Home / 123,264,800.60-185,295,332.10-87,609,939.80

Finding the Fourth Proportional to 123,264,800.60, 185,295,332.10 and 87,609,939.80

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Solution

The fourth proportional to 123,264,800.60, 185,295,332.10 and 87,609,939.80 is: 131,697,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,264,800.60 : 185,295,332.10 = 87,609,939.80 : x
  2. Step 2: Convert to fraction form
    123,264,800.60/185,295,332.10 = 87,609,939.80/x
  3. Step 3: Cross multiply
    123,264,800.60x = 185,295,332.10 × 87,609,939.80
  4. Step 4: Simplify right side
    123,264,800.60x = 16,233,712,890,502,006
  5. Step 5: Solve for x
    x = 16,233,712,890,502,006/123,264,800.60
  6. Step 6: Final answer
    x = 131,697,879.78

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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.