Home / 80,307,924.32-110,825,545.20-43,638,692.96

Finding the Fourth Proportional to 80,307,924.32, 110,825,545.20 and 43,638,692.96

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Solution

The fourth proportional to 80,307,924.32, 110,825,545.20 and 43,638,692.96 is: 60,221,727.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,307,924.32 : 110,825,545.20 = 43,638,692.96 : x
  2. Step 2: Convert to fraction form
    80,307,924.32/110,825,545.20 = 43,638,692.96/x
  3. Step 3: Cross multiply
    80,307,924.32x = 110,825,545.20 × 43,638,692.96
  4. Step 4: Simplify right side
    80,307,924.32x = 4,836,281,939,107,402
  5. Step 5: Solve for x
    x = 4,836,281,939,107,402/80,307,924.32
  6. Step 6: Final answer
    x = 60,221,727.56

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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.