Home / 77,947,659.40-109,305,882.20-77,947,659.40

Finding the Fourth Proportional to 77,947,659.40, 109,305,882.20 and 77,947,659.40

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Solution

The fourth proportional to 77,947,659.40, 109,305,882.20 and 77,947,659.40 is: 109,305,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,947,659.40 : 109,305,882.20 = 77,947,659.40 : x
  2. Step 2: Convert to fraction form
    77,947,659.40/109,305,882.20 = 77,947,659.40/x
  3. Step 3: Cross multiply
    77,947,659.40x = 109,305,882.20 × 77,947,659.40
  4. Step 4: Simplify right side
    77,947,659.40x = 8,520,137,676,142,124
  5. Step 5: Solve for x
    x = 8,520,137,676,142,124/77,947,659.40
  6. Step 6: Final answer
    x = 109,305,882.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.