Home / 331,129,076.70-496,693,615.05-101,068,267.80

Finding the Fourth Proportional to 331,129,076.70, 496,693,615.05 and 101,068,267.80

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Solution

The fourth proportional to 331,129,076.70, 496,693,615.05 and 101,068,267.80 is: 151,602,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,129,076.70 : 496,693,615.05 = 101,068,267.80 : x
  2. Step 2: Convert to fraction form
    331,129,076.70/496,693,615.05 = 101,068,267.80/x
  3. Step 3: Cross multiply
    331,129,076.70x = 496,693,615.05 × 101,068,267.80
  4. Step 4: Simplify right side
    331,129,076.70x = 50,199,963,300,423,512
  5. Step 5: Solve for x
    x = 50,199,963,300,423,512/331,129,076.70
  6. Step 6: Final answer
    x = 151,602,401.70

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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.