Home / 139,434,143.20-209,151,214.80-62,906,639.20

Finding the Fourth Proportional to 139,434,143.20, 209,151,214.80 and 62,906,639.20

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Solution

The fourth proportional to 139,434,143.20, 209,151,214.80 and 62,906,639.20 is: 94,359,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,434,143.20 : 209,151,214.80 = 62,906,639.20 : x
  2. Step 2: Convert to fraction form
    139,434,143.20/209,151,214.80 = 62,906,639.20/x
  3. Step 3: Cross multiply
    139,434,143.20x = 209,151,214.80 × 62,906,639.20
  4. Step 4: Simplify right side
    139,434,143.20x = 13,157,000,007,665,302
  5. Step 5: Solve for x
    x = 13,157,000,007,665,302/139,434,143.20
  6. Step 6: Final answer
    x = 94,359,958.80

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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.