Home / 219,911,195.40-329,866,793.10-90,475,787.40

Finding the Fourth Proportional to 219,911,195.40, 329,866,793.10 and 90,475,787.40

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Solution

The fourth proportional to 219,911,195.40, 329,866,793.10 and 90,475,787.40 is: 135,713,681.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,911,195.40 : 329,866,793.10 = 90,475,787.40 : x
  2. Step 2: Convert to fraction form
    219,911,195.40/329,866,793.10 = 90,475,787.40/x
  3. Step 3: Cross multiply
    219,911,195.40x = 329,866,793.10 × 90,475,787.40
  4. Step 4: Simplify right side
    219,911,195.40x = 29,844,957,842,835,392
  5. Step 5: Solve for x
    x = 29,844,957,842,835,392/219,911,195.40
  6. Step 6: Final answer
    x = 135,713,681.10

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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.