Home / 198,031,250.03-297,046,624.75-75,209,338.67

Finding the Fourth Proportional to 198,031,250.03, 297,046,624.75 and 75,209,338.67

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Solution

The fourth proportional to 198,031,250.03, 297,046,624.75 and 75,209,338.67 is: 112,813,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,031,250.03 : 297,046,624.75 = 75,209,338.67 : x
  2. Step 2: Convert to fraction form
    198,031,250.03/297,046,624.75 = 75,209,338.67/x
  3. Step 3: Cross multiply
    198,031,250.03x = 297,046,624.75 × 75,209,338.67
  4. Step 4: Simplify right side
    198,031,250.03x = 22,340,680,199,929,900
  5. Step 5: Solve for x
    x = 22,340,680,199,929,900/198,031,250.03
  6. Step 6: Final answer
    x = 112,813,912.94

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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.