Home / 121,379,084.70-182,068,627.05-107,349,042.30

Finding the Fourth Proportional to 121,379,084.70, 182,068,627.05 and 107,349,042.30

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Solution

The fourth proportional to 121,379,084.70, 182,068,627.05 and 107,349,042.30 is: 161,023,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,379,084.70 : 182,068,627.05 = 107,349,042.30 : x
  2. Step 2: Convert to fraction form
    121,379,084.70/182,068,627.05 = 107,349,042.30/x
  3. Step 3: Cross multiply
    121,379,084.70x = 182,068,627.05 × 107,349,042.30
  4. Step 4: Simplify right side
    121,379,084.70x = 19,544,892,746,693,376
  5. Step 5: Solve for x
    x = 19,544,892,746,693,376/121,379,084.70
  6. Step 6: Final answer
    x = 161,023,563.45

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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.