Home / 43,103,422.90-64,655,134.35-40,977,658.90

Finding the Fourth Proportional to 43,103,422.90, 64,655,134.35 and 40,977,658.90

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Solution

The fourth proportional to 43,103,422.90, 64,655,134.35 and 40,977,658.90 is: 61,466,488.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,103,422.90 : 64,655,134.35 = 40,977,658.90 : x
  2. Step 2: Convert to fraction form
    43,103,422.90/64,655,134.35 = 40,977,658.90/x
  3. Step 3: Cross multiply
    43,103,422.90x = 64,655,134.35 × 40,977,658.90
  4. Step 4: Simplify right side
    43,103,422.90x = 2,649,416,041,527,973
  5. Step 5: Solve for x
    x = 2,649,416,041,527,973/43,103,422.90
  6. Step 6: Final answer
    x = 61,466,488.35

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Double scale
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Similar ratio
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1.5x scale

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.