Home / 80,254,810.60-120,382,215.90-52,513,590.40

Finding the Fourth Proportional to 80,254,810.60, 120,382,215.90 and 52,513,590.40

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Solution

The fourth proportional to 80,254,810.60, 120,382,215.90 and 52,513,590.40 is: 78,770,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,254,810.60 : 120,382,215.90 = 52,513,590.40 : x
  2. Step 2: Convert to fraction form
    80,254,810.60/120,382,215.90 = 52,513,590.40/x
  3. Step 3: Cross multiply
    80,254,810.60x = 120,382,215.90 × 52,513,590.40
  4. Step 4: Simplify right side
    80,254,810.60x = 6,321,702,377,216,967
  5. Step 5: Solve for x
    x = 6,321,702,377,216,967/80,254,810.60
  6. Step 6: Final answer
    x = 78,770,385.60

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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.