Home / 115,910,104.10-173,865,156.15-86,999,713.70

Finding the Fourth Proportional to 115,910,104.10, 173,865,156.15 and 86,999,713.70

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Solution

The fourth proportional to 115,910,104.10, 173,865,156.15 and 86,999,713.70 is: 130,499,570.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,910,104.10 : 173,865,156.15 = 86,999,713.70 : x
  2. Step 2: Convert to fraction form
    115,910,104.10/173,865,156.15 = 86,999,713.70/x
  3. Step 3: Cross multiply
    115,910,104.10x = 173,865,156.15 × 86,999,713.70
  4. Step 4: Simplify right side
    115,910,104.10x = 15,126,218,807,455,796
  5. Step 5: Solve for x
    x = 15,126,218,807,455,796/115,910,104.10
  6. Step 6: Final answer
    x = 130,499,570.55

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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.