Home / 209,627,963.08-289,308,115.72-126,023,159.80

Finding the Fourth Proportional to 209,627,963.08, 289,308,115.72 and 126,023,159.80

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Solution

The fourth proportional to 209,627,963.08, 289,308,115.72 and 126,023,159.80 is: 173,924,901.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,627,963.08 : 289,308,115.72 = 126,023,159.80 : x
  2. Step 2: Convert to fraction form
    209,627,963.08/289,308,115.72 = 126,023,159.80/x
  3. Step 3: Cross multiply
    209,627,963.08x = 289,308,115.72 × 126,023,159.80
  4. Step 4: Simplify right side
    209,627,963.08x = 36,459,522,898,818,456
  5. Step 5: Solve for x
    x = 36,459,522,898,818,456/209,627,963.08
  6. Step 6: Final answer
    x = 173,924,901.83

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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.