Home / 84,251,132.20-126,376,698.30-69,890,415.40

Finding the Fourth Proportional to 84,251,132.20, 126,376,698.30 and 69,890,415.40

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Solution

The fourth proportional to 84,251,132.20, 126,376,698.30 and 69,890,415.40 is: 104,835,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,251,132.20 : 126,376,698.30 = 69,890,415.40 : x
  2. Step 2: Convert to fraction form
    84,251,132.20/126,376,698.30 = 69,890,415.40/x
  3. Step 3: Cross multiply
    84,251,132.20x = 126,376,698.30 × 69,890,415.40
  4. Step 4: Simplify right side
    84,251,132.20x = 8,832,519,941,067,474
  5. Step 5: Solve for x
    x = 8,832,519,941,067,474/84,251,132.20
  6. Step 6: Final answer
    x = 104,835,623.10

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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.