Home / 43,612,876.80-65,348,456.40-36,385,279.20

Finding the Fourth Proportional to 43,612,876.80, 65,348,456.40 and 36,385,279.20

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Solution

The fourth proportional to 43,612,876.80, 65,348,456.40 and 36,385,279.20 is: 54,518,802.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,612,876.80 : 65,348,456.40 = 36,385,279.20 : x
  2. Step 2: Convert to fraction form
    43,612,876.80/65,348,456.40 = 36,385,279.20/x
  3. Step 3: Cross multiply
    43,612,876.80x = 65,348,456.40 × 36,385,279.20
  4. Step 4: Simplify right side
    43,612,876.80x = 2,377,721,831,403,027
  5. Step 5: Solve for x
    x = 2,377,721,831,403,027/43,612,876.80
  6. Step 6: Final answer
    x = 54,518,802.84

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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.