Home / 83,001,810.60-124,428,066.30-54,261,714.60

Finding the Fourth Proportional to 83,001,810.60, 124,428,066.30 and 54,261,714.60

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Solution

The fourth proportional to 83,001,810.60, 124,428,066.30 and 54,261,714.60 is: 81,343,770.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,001,810.60 : 124,428,066.30 = 54,261,714.60 : x
  2. Step 2: Convert to fraction form
    83,001,810.60/124,428,066.30 = 54,261,714.60/x
  3. Step 3: Cross multiply
    83,001,810.60x = 124,428,066.30 × 54,261,714.60
  4. Step 4: Simplify right side
    83,001,810.60x = 6,751,680,221,800,478
  5. Step 5: Solve for x
    x = 6,751,680,221,800,478/83,001,810.60
  6. Step 6: Final answer
    x = 81,343,770.37

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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.