Home / 90,847,311.42-125,369,799.14-51,689,087.35

Finding the Fourth Proportional to 90,847,311.42, 125,369,799.14 and 51,689,087.35

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Solution

The fourth proportional to 90,847,311.42, 125,369,799.14 and 51,689,087.35 is: 71,331,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,847,311.42 : 125,369,799.14 = 51,689,087.35 : x
  2. Step 2: Convert to fraction form
    90,847,311.42/125,369,799.14 = 51,689,087.35/x
  3. Step 3: Cross multiply
    90,847,311.42x = 125,369,799.14 × 51,689,087.35
  4. Step 4: Simplify right side
    90,847,311.42x = 6,480,250,498,799,415
  5. Step 5: Solve for x
    x = 6,480,250,498,799,415/90,847,311.42
  6. Step 6: Final answer
    x = 71,331,230.36

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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.