Home / 139,318,179.12-192,259,210.28-76,595,344.40

Finding the Fourth Proportional to 139,318,179.12, 192,259,210.28 and 76,595,344.40

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Solution

The fourth proportional to 139,318,179.12, 192,259,210.28 and 76,595,344.40 is: 105,701,642.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,318,179.12 : 192,259,210.28 = 76,595,344.40 : x
  2. Step 2: Convert to fraction form
    139,318,179.12/192,259,210.28 = 76,595,344.40/x
  3. Step 3: Cross multiply
    139,318,179.12x = 192,259,210.28 × 76,595,344.40
  4. Step 4: Simplify right side
    139,318,179.12x = 14,726,160,425,468,622
  5. Step 5: Solve for x
    x = 14,726,160,425,468,622/139,318,179.12
  6. Step 6: Final answer
    x = 105,701,642.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.