Home / 358,947,478.48-495,346,541.21-200,177,773.87

Finding the Fourth Proportional to 358,947,478.48, 495,346,541.21 and 200,177,773.87

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Solution

The fourth proportional to 358,947,478.48, 495,346,541.21 and 200,177,773.87 is: 276,244,781.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,947,478.48 : 495,346,541.21 = 200,177,773.87 : x
  2. Step 2: Convert to fraction form
    358,947,478.48/495,346,541.21 = 200,177,773.87/x
  3. Step 3: Cross multiply
    358,947,478.48x = 495,346,541.21 × 200,177,773.87
  4. Step 4: Simplify right side
    358,947,478.48x = 99,157,367,913,622,016
  5. Step 5: Solve for x
    x = 99,157,367,913,622,016/358,947,478.48
  6. Step 6: Final answer
    x = 276,244,781.92

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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.