Home / 121,279,464.30-181,919,196.45-66,670,949.10

Finding the Fourth Proportional to 121,279,464.30, 181,919,196.45 and 66,670,949.10

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Solution

The fourth proportional to 121,279,464.30, 181,919,196.45 and 66,670,949.10 is: 100,006,423.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,279,464.30 : 181,919,196.45 = 66,670,949.10 : x
  2. Step 2: Convert to fraction form
    121,279,464.30/181,919,196.45 = 66,670,949.10/x
  3. Step 3: Cross multiply
    121,279,464.30x = 181,919,196.45 × 66,670,949.10
  4. Step 4: Simplify right side
    121,279,464.30x = 12,128,725,486,830,850
  5. Step 5: Solve for x
    x = 12,128,725,486,830,850/121,279,464.30
  6. Step 6: Final answer
    x = 100,006,423.65

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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.