Home / 151,979,830.86-209,835,121.05-96,274,684.61

Finding the Fourth Proportional to 151,979,830.86, 209,835,121.05 and 96,274,684.61

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Solution

The fourth proportional to 151,979,830.86, 209,835,121.05 and 96,274,684.61 is: 132,924,283.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,979,830.86 : 209,835,121.05 = 96,274,684.61 : x
  2. Step 2: Convert to fraction form
    151,979,830.86/209,835,121.05 = 96,274,684.61/x
  3. Step 3: Cross multiply
    151,979,830.86x = 209,835,121.05 × 96,274,684.61
  4. Step 4: Simplify right side
    151,979,830.86x = 20,201,810,098,140,748
  5. Step 5: Solve for x
    x = 20,201,810,098,140,748/151,979,830.86
  6. Step 6: Final answer
    x = 132,924,283.33

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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.