Home / 326,399,691.80-489,174,384.90-132,152,101.40

Finding the Fourth Proportional to 326,399,691.80, 489,174,384.90 and 132,152,101.40

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Solution

The fourth proportional to 326,399,691.80, 489,174,384.90 and 132,152,101.40 is: 198,056,017.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,399,691.80 : 489,174,384.90 = 132,152,101.40 : x
  2. Step 2: Convert to fraction form
    326,399,691.80/489,174,384.90 = 132,152,101.40/x
  3. Step 3: Cross multiply
    326,399,691.80x = 489,174,384.90 × 132,152,101.40
  4. Step 4: Simplify right side
    326,399,691.80x = 64,645,422,915,587,432
  5. Step 5: Solve for x
    x = 64,645,422,915,587,432/326,399,691.80
  6. Step 6: Final answer
    x = 198,056,017.02

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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.