Home / 262,472,728.40-393,614,614.20-133,037,320.40

Finding the Fourth Proportional to 262,472,728.40, 393,614,614.20 and 133,037,320.40

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Solution

The fourth proportional to 262,472,728.40, 393,614,614.20 and 133,037,320.40 is: 199,508,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,472,728.40 : 393,614,614.20 = 133,037,320.40 : x
  2. Step 2: Convert to fraction form
    262,472,728.40/393,614,614.20 = 133,037,320.40/x
  3. Step 3: Cross multiply
    262,472,728.40x = 393,614,614.20 × 133,037,320.40
  4. Step 4: Simplify right side
    262,472,728.40x = 52,365,433,543,447,792
  5. Step 5: Solve for x
    x = 52,365,433,543,447,792/262,472,728.40
  6. Step 6: Final answer
    x = 199,508,093.14

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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.