Home / 217,760,267.20-326,640,400.80-193,951,710.40

Finding the Fourth Proportional to 217,760,267.20, 326,640,400.80 and 193,951,710.40

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Solution

The fourth proportional to 217,760,267.20, 326,640,400.80 and 193,951,710.40 is: 290,927,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,760,267.20 : 326,640,400.80 = 193,951,710.40 : x
  2. Step 2: Convert to fraction form
    217,760,267.20/326,640,400.80 = 193,951,710.40/x
  3. Step 3: Cross multiply
    217,760,267.20x = 326,640,400.80 × 193,951,710.40
  4. Step 4: Simplify right side
    217,760,267.20x = 63,352,464,420,901,536
  5. Step 5: Solve for x
    x = 63,352,464,420,901,536/217,760,267.20
  6. Step 6: Final answer
    x = 290,927,565.60

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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.