Home / 326,399,537.30-489,174,153.15-132,151,946.90

Finding the Fourth Proportional to 326,399,537.30, 489,174,153.15 and 132,151,946.90

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Solution

The fourth proportional to 326,399,537.30, 489,174,153.15 and 132,151,946.90 is: 198,055,785.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,399,537.30 : 489,174,153.15 = 132,151,946.90 : x
  2. Step 2: Convert to fraction form
    326,399,537.30/489,174,153.15 = 132,151,946.90/x
  3. Step 3: Cross multiply
    326,399,537.30x = 489,174,153.15 × 132,151,946.90
  4. Step 4: Simplify right side
    326,399,537.30x = 64,645,316,711,931,264
  5. Step 5: Solve for x
    x = 64,645,316,711,931,264/326,399,537.30
  6. Step 6: Final answer
    x = 198,055,785.39

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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.