Home / 145,675,230.70-218,477,854.05-84,131,301.10

Finding the Fourth Proportional to 145,675,230.70, 218,477,854.05 and 84,131,301.10

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Solution

The fourth proportional to 145,675,230.70, 218,477,854.05 and 84,131,301.10 is: 126,176,742.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,675,230.70 : 218,477,854.05 = 84,131,301.10 : x
  2. Step 2: Convert to fraction form
    145,675,230.70/218,477,854.05 = 84,131,301.10/x
  3. Step 3: Cross multiply
    145,675,230.70x = 218,477,854.05 × 84,131,301.10
  4. Step 4: Simplify right side
    145,675,230.70x = 18,380,826,122,762,404
  5. Step 5: Solve for x
    x = 18,380,826,122,762,404/145,675,230.70
  6. Step 6: Final answer
    x = 126,176,742.84

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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.