Home / 99,856,139.40-149,784,209.10-48,711,832.20

Finding the Fourth Proportional to 99,856,139.40, 149,784,209.10 and 48,711,832.20

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Solution

The fourth proportional to 99,856,139.40, 149,784,209.10 and 48,711,832.20 is: 73,067,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,856,139.40 : 149,784,209.10 = 48,711,832.20 : x
  2. Step 2: Convert to fraction form
    99,856,139.40/149,784,209.10 = 48,711,832.20/x
  3. Step 3: Cross multiply
    99,856,139.40x = 149,784,209.10 × 48,711,832.20
  4. Step 4: Simplify right side
    99,856,139.40x = 7,296,263,259,888,913
  5. Step 5: Solve for x
    x = 7,296,263,259,888,913/99,856,139.40
  6. Step 6: Final answer
    x = 73,067,748.30

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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.