Home / 60,218,609.20-90,331,283.36-19,281,649.84

Finding the Fourth Proportional to 60,218,609.20, 90,331,283.36 and 19,281,649.84

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Solution

The fourth proportional to 60,218,609.20, 90,331,283.36 and 19,281,649.84 is: 28,923,553.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,218,609.20 : 90,331,283.36 = 19,281,649.84 : x
  2. Step 2: Convert to fraction form
    60,218,609.20/90,331,283.36 = 19,281,649.84/x
  3. Step 3: Cross multiply
    60,218,609.20x = 90,331,283.36 × 19,281,649.84
  4. Step 4: Simplify right side
    60,218,609.20x = 1,741,736,175,345,338.75
  5. Step 5: Solve for x
    x = 1,741,736,175,345,338.75/60,218,609.20
  6. Step 6: Final answer
    x = 28,923,553.67

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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.