Home / 90,325,301.82-124,621,454.79-51,160,855.74

Finding the Fourth Proportional to 90,325,301.82, 124,621,454.79 and 51,160,855.74

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Solution

The fourth proportional to 90,325,301.82, 124,621,454.79 and 51,160,855.74 is: 70,586,426.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,325,301.82 : 124,621,454.79 = 51,160,855.74 : x
  2. Step 2: Convert to fraction form
    90,325,301.82/124,621,454.79 = 51,160,855.74/x
  3. Step 3: Cross multiply
    90,325,301.82x = 124,621,454.79 × 51,160,855.74
  4. Step 4: Simplify right side
    90,325,301.82x = 6,375,740,270,620,123
  5. Step 5: Solve for x
    x = 6,375,740,270,620,123/90,325,301.82
  6. Step 6: Final answer
    x = 70,586,426.42

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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.