Home / 84,217,514.10-126,326,271.15-71,888,082.90

Finding the Fourth Proportional to 84,217,514.10, 126,326,271.15 and 71,888,082.90

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Solution

The fourth proportional to 84,217,514.10, 126,326,271.15 and 71,888,082.90 is: 107,832,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,217,514.10 : 126,326,271.15 = 71,888,082.90 : x
  2. Step 2: Convert to fraction form
    84,217,514.10/126,326,271.15 = 71,888,082.90/x
  3. Step 3: Cross multiply
    84,217,514.10x = 126,326,271.15 × 71,888,082.90
  4. Step 4: Simplify right side
    84,217,514.10x = 9,081,353,452,879,080
  5. Step 5: Solve for x
    x = 9,081,353,452,879,080/84,217,514.10
  6. Step 6: Final answer
    x = 107,832,124.35

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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.