Home / 331,128,809.70-496,693,214.55-101,068,000.80

Finding the Fourth Proportional to 331,128,809.70, 496,693,214.55 and 101,068,000.80

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Solution

The fourth proportional to 331,128,809.70, 496,693,214.55 and 101,068,000.80 is: 151,602,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,128,809.70 : 496,693,214.55 = 101,068,000.80 : x
  2. Step 2: Convert to fraction form
    331,128,809.70/496,693,214.55 = 101,068,000.80/x
  3. Step 3: Cross multiply
    331,128,809.70x = 496,693,214.55 × 101,068,000.80
  4. Step 4: Simplify right side
    331,128,809.70x = 50,199,790,205,493,968
  5. Step 5: Solve for x
    x = 50,199,790,205,493,968/331,128,809.70
  6. Step 6: Final answer
    x = 151,602,001.20

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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.