Home / 186,940,064.71-280,159,446.57-145,490,990.49

Finding the Fourth Proportional to 186,940,064.71, 280,159,446.57 and 145,490,990.49

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Solution

The fourth proportional to 186,940,064.71, 280,159,446.57 and 145,490,990.49 is: 218,041,410.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,940,064.71 : 280,159,446.57 = 145,490,990.49 : x
  2. Step 2: Convert to fraction form
    186,940,064.71/280,159,446.57 = 145,490,990.49/x
  3. Step 3: Cross multiply
    186,940,064.71x = 280,159,446.57 × 145,490,990.49
  4. Step 4: Simplify right side
    186,940,064.71x = 40,760,675,376,599,536
  5. Step 5: Solve for x
    x = 40,760,675,376,599,536/186,940,064.71
  6. Step 6: Final answer
    x = 218,041,410.44

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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.