Home / 99,513,230.30-149,336,200.65-45,632,807.90

Finding the Fourth Proportional to 99,513,230.30, 149,336,200.65 and 45,632,807.90

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Solution

The fourth proportional to 99,513,230.30, 149,336,200.65 and 45,632,807.90 is: 68,479,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,513,230.30 : 149,336,200.65 = 45,632,807.90 : x
  2. Step 2: Convert to fraction form
    99,513,230.30/149,336,200.65 = 45,632,807.90/x
  3. Step 3: Cross multiply
    99,513,230.30x = 149,336,200.65 × 45,632,807.90
  4. Step 4: Simplify right side
    99,513,230.30x = 6,814,630,156,777,305
  5. Step 5: Solve for x
    x = 6,814,630,156,777,305/99,513,230.30
  6. Step 6: Final answer
    x = 68,479,639.70

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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.