Home / 272,784,472.20-409,176,708.30-186,691,030.20

Finding the Fourth Proportional to 272,784,472.20, 409,176,708.30 and 186,691,030.20

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Solution

The fourth proportional to 272,784,472.20, 409,176,708.30 and 186,691,030.20 is: 280,036,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,784,472.20 : 409,176,708.30 = 186,691,030.20 : x
  2. Step 2: Convert to fraction form
    272,784,472.20/409,176,708.30 = 186,691,030.20/x
  3. Step 3: Cross multiply
    272,784,472.20x = 409,176,708.30 × 186,691,030.20
  4. Step 4: Simplify right side
    272,784,472.20x = 76,389,621,206,371,888
  5. Step 5: Solve for x
    x = 76,389,621,206,371,888/272,784,472.20
  6. Step 6: Final answer
    x = 280,036,545.30

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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.