Home / 45,516,779.20-68,275,168.80-40,255,513.30

Finding the Fourth Proportional to 45,516,779.20, 68,275,168.80 and 40,255,513.30

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Solution

The fourth proportional to 45,516,779.20, 68,275,168.80 and 40,255,513.30 is: 60,383,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,516,779.20 : 68,275,168.80 = 40,255,513.30 : x
  2. Step 2: Convert to fraction form
    45,516,779.20/68,275,168.80 = 40,255,513.30/x
  3. Step 3: Cross multiply
    45,516,779.20x = 68,275,168.80 × 40,255,513.30
  4. Step 4: Simplify right side
    45,516,779.20x = 2,748,451,965,688,144.50
  5. Step 5: Solve for x
    x = 2,748,451,965,688,144.50/45,516,779.20
  6. Step 6: Final answer
    x = 60,383,269.95

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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.