Home / 132,210,155.70-198,315,233.55-80,477,982.90

Finding the Fourth Proportional to 132,210,155.70, 198,315,233.55 and 80,477,982.90

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Solution

The fourth proportional to 132,210,155.70, 198,315,233.55 and 80,477,982.90 is: 120,716,974.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,210,155.70 : 198,315,233.55 = 80,477,982.90 : x
  2. Step 2: Convert to fraction form
    132,210,155.70/198,315,233.55 = 80,477,982.90/x
  3. Step 3: Cross multiply
    132,210,155.70x = 198,315,233.55 × 80,477,982.90
  4. Step 4: Simplify right side
    132,210,155.70x = 15,960,009,974,446,408
  5. Step 5: Solve for x
    x = 15,960,009,974,446,408/132,210,155.70
  6. Step 6: Final answer
    x = 120,716,974.35

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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.