Home / 108,873,115.30-163,309,672.95-74,385,000.10

Finding the Fourth Proportional to 108,873,115.30, 163,309,672.95 and 74,385,000.10

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Solution

The fourth proportional to 108,873,115.30, 163,309,672.95 and 74,385,000.10 is: 111,577,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,873,115.30 : 163,309,672.95 = 74,385,000.10 : x
  2. Step 2: Convert to fraction form
    108,873,115.30/163,309,672.95 = 74,385,000.10/x
  3. Step 3: Cross multiply
    108,873,115.30x = 163,309,672.95 × 74,385,000.10
  4. Step 4: Simplify right side
    108,873,115.30x = 12,147,790,038,716,716
  5. Step 5: Solve for x
    x = 12,147,790,038,716,716/108,873,115.30
  6. Step 6: Final answer
    x = 111,577,500.15

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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.