Home / 125,156,625.70-187,814,654.70-73,341,128.20

Finding the Fourth Proportional to 125,156,625.70, 187,814,654.70 and 73,341,128.20

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Solution

The fourth proportional to 125,156,625.70, 187,814,654.70 and 73,341,128.20 is: 110,058,405.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,156,625.70 : 187,814,654.70 = 73,341,128.20 : x
  2. Step 2: Convert to fraction form
    125,156,625.70/187,814,654.70 = 73,341,128.20/x
  3. Step 3: Cross multiply
    125,156,625.70x = 187,814,654.70 × 73,341,128.20
  4. Step 4: Simplify right side
    125,156,625.70x = 13,774,538,668,191,432
  5. Step 5: Solve for x
    x = 13,774,538,668,191,432/125,156,625.70
  6. Step 6: Final answer
    x = 110,058,405.55

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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.