Home / 209,924,810.20-314,931,452.10-88,693,859.80

Finding the Fourth Proportional to 209,924,810.20, 314,931,452.10 and 88,693,859.80

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Solution

The fourth proportional to 209,924,810.20, 314,931,452.10 and 88,693,859.80 is: 133,059,479.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,924,810.20 : 314,931,452.10 = 88,693,859.80 : x
  2. Step 2: Convert to fraction form
    209,924,810.20/314,931,452.10 = 88,693,859.80/x
  3. Step 3: Cross multiply
    209,924,810.20x = 314,931,452.10 × 88,693,859.80
  4. Step 4: Simplify right side
    209,924,810.20x = 27,932,486,059,167,816
  5. Step 5: Solve for x
    x = 27,932,486,059,167,816/209,924,810.20
  6. Step 6: Final answer
    x = 133,059,479.88

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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.