Home / 139,434,121.20-209,151,181.80-62,906,617.20

Finding the Fourth Proportional to 139,434,121.20, 209,151,181.80 and 62,906,617.20

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Solution

The fourth proportional to 139,434,121.20, 209,151,181.80 and 62,906,617.20 is: 94,359,925.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,434,121.20 : 209,151,181.80 = 62,906,617.20 : x
  2. Step 2: Convert to fraction form
    139,434,121.20/209,151,181.80 = 62,906,617.20/x
  3. Step 3: Cross multiply
    139,434,121.20x = 209,151,181.80 × 62,906,617.20
  4. Step 4: Simplify right side
    139,434,121.20x = 13,156,993,330,420,208
  5. Step 5: Solve for x
    x = 13,156,993,330,420,208/139,434,121.20
  6. Step 6: Final answer
    x = 94,359,925.80

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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.