Home / 82,739,818.20-124,109,727.30-73,811,609.40

Finding the Fourth Proportional to 82,739,818.20, 124,109,727.30 and 73,811,609.40

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Solution

The fourth proportional to 82,739,818.20, 124,109,727.30 and 73,811,609.40 is: 110,717,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,739,818.20 : 124,109,727.30 = 73,811,609.40 : x
  2. Step 2: Convert to fraction form
    82,739,818.20/124,109,727.30 = 73,811,609.40/x
  3. Step 3: Cross multiply
    82,739,818.20x = 124,109,727.30 × 73,811,609.40
  4. Step 4: Simplify right side
    82,739,818.20x = 9,160,738,714,208,118
  5. Step 5: Solve for x
    x = 9,160,738,714,208,118/82,739,818.20
  6. Step 6: Final answer
    x = 110,717,414.10

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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.