Home / 144,015,126.30-198,741,479.96-77,935,627.67

Finding the Fourth Proportional to 144,015,126.30, 198,741,479.96 and 77,935,627.67

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Solution

The fourth proportional to 144,015,126.30, 198,741,479.96 and 77,935,627.67 is: 107,551,493.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,015,126.30 : 198,741,479.96 = 77,935,627.67 : x
  2. Step 2: Convert to fraction form
    144,015,126.30/198,741,479.96 = 77,935,627.67/x
  3. Step 3: Cross multiply
    144,015,126.30x = 198,741,479.96 × 77,935,627.67
  4. Step 4: Simplify right side
    144,015,126.30x = 15,489,041,983,948,460
  5. Step 5: Solve for x
    x = 15,489,041,983,948,460/144,015,126.30
  6. Step 6: Final answer
    x = 107,551,493.94

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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.