Home / 358,947,476.72-495,346,538.80-200,177,772.11

Finding the Fourth Proportional to 358,947,476.72, 495,346,538.80 and 200,177,772.11

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Solution

The fourth proportional to 358,947,476.72, 495,346,538.80 and 200,177,772.11 is: 276,244,779.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,947,476.72 : 495,346,538.80 = 200,177,772.11 : x
  2. Step 2: Convert to fraction form
    358,947,476.72/495,346,538.80 = 200,177,772.11/x
  3. Step 3: Cross multiply
    358,947,476.72x = 495,346,538.80 × 200,177,772.11
  4. Step 4: Simplify right side
    358,947,476.72x = 99,157,366,560,121,600
  5. Step 5: Solve for x
    x = 99,157,366,560,121,600/358,947,476.72
  6. Step 6: Final answer
    x = 276,244,779.50

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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.