Home / 134,859,095.87-186,105,546.21-72,979,436.12

Finding the Fourth Proportional to 134,859,095.87, 186,105,546.21 and 72,979,436.12

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Solution

The fourth proportional to 134,859,095.87, 186,105,546.21 and 72,979,436.12 is: 100,711,618.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,859,095.87 : 186,105,546.21 = 72,979,436.12 : x
  2. Step 2: Convert to fraction form
    134,859,095.87/186,105,546.21 = 72,979,436.12/x
  3. Step 3: Cross multiply
    134,859,095.87x = 186,105,546.21 × 72,979,436.12
  4. Step 4: Simplify right side
    134,859,095.87x = 13,581,877,820,279,874
  5. Step 5: Solve for x
    x = 13,581,877,820,279,874/134,859,095.87
  6. Step 6: Final answer
    x = 100,711,618.55

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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.