Home / 34,778,834.70-52,168,252.05-20,418,117.90

Finding the Fourth Proportional to 34,778,834.70, 52,168,252.05 and 20,418,117.90

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Solution

The fourth proportional to 34,778,834.70, 52,168,252.05 and 20,418,117.90 is: 30,627,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,778,834.70 : 52,168,252.05 = 20,418,117.90 : x
  2. Step 2: Convert to fraction form
    34,778,834.70/52,168,252.05 = 20,418,117.90/x
  3. Step 3: Cross multiply
    34,778,834.70x = 52,168,252.05 × 20,418,117.90
  4. Step 4: Simplify right side
    34,778,834.70x = 1,065,177,520,993,816.50
  5. Step 5: Solve for x
    x = 1,065,177,520,993,816.50/34,778,834.70
  6. Step 6: Final answer
    x = 30,627,176.85

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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.