Home / 257,485,983.66-355,332,505.93-140,010,472.10

Finding the Fourth Proportional to 257,485,983.66, 355,332,505.93 and 140,010,472.10

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Solution

The fourth proportional to 257,485,983.66, 355,332,505.93 and 140,010,472.10 is: 193,215,456.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,485,983.66 : 355,332,505.93 = 140,010,472.10 : x
  2. Step 2: Convert to fraction form
    257,485,983.66/355,332,505.93 = 140,010,472.10/x
  3. Step 3: Cross multiply
    257,485,983.66x = 355,332,505.93 × 140,010,472.10
  4. Step 4: Simplify right side
    257,485,983.66x = 49,750,271,908,273,656
  5. Step 5: Solve for x
    x = 49,750,271,908,273,656/257,485,983.66
  6. Step 6: Final answer
    x = 193,215,456.63

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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.