Home / 129,032,006.80-193,548,010.20-52,391,750.80

Finding the Fourth Proportional to 129,032,006.80, 193,548,010.20 and 52,391,750.80

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Solution

The fourth proportional to 129,032,006.80, 193,548,010.20 and 52,391,750.80 is: 78,587,626.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,032,006.80 : 193,548,010.20 = 52,391,750.80 : x
  2. Step 2: Convert to fraction form
    129,032,006.80/193,548,010.20 = 52,391,750.80/x
  3. Step 3: Cross multiply
    129,032,006.80x = 193,548,010.20 × 52,391,750.80
  4. Step 4: Simplify right side
    129,032,006.80x = 10,140,319,118,234,256
  5. Step 5: Solve for x
    x = 10,140,319,118,234,256/129,032,006.80
  6. Step 6: Final answer
    x = 78,587,626.20

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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.