Home / 115,137,974.40-158,890,023.20-62,926,995.84

Finding the Fourth Proportional to 115,137,974.40, 158,890,023.20 and 62,926,995.84

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Solution

The fourth proportional to 115,137,974.40, 158,890,023.20 and 62,926,995.84 is: 86,839,045.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,137,974.40 : 158,890,023.20 = 62,926,995.84 : x
  2. Step 2: Convert to fraction form
    115,137,974.40/158,890,023.20 = 62,926,995.84/x
  3. Step 3: Cross multiply
    115,137,974.40x = 158,890,023.20 × 62,926,995.84
  4. Step 4: Simplify right side
    115,137,974.40x = 9,998,471,828,923,904
  5. Step 5: Solve for x
    x = 9,998,471,828,923,904/115,137,974.40
  6. Step 6: Final answer
    x = 86,839,045.77

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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.