Home / 91,019,862.30-136,529,793.45-60,408,860.70

Finding the Fourth Proportional to 91,019,862.30, 136,529,793.45 and 60,408,860.70

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Solution

The fourth proportional to 91,019,862.30, 136,529,793.45 and 60,408,860.70 is: 90,613,291.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,019,862.30 : 136,529,793.45 = 60,408,860.70 : x
  2. Step 2: Convert to fraction form
    91,019,862.30/136,529,793.45 = 60,408,860.70/x
  3. Step 3: Cross multiply
    91,019,862.30x = 136,529,793.45 × 60,408,860.70
  4. Step 4: Simplify right side
    91,019,862.30x = 8,247,609,273,920,822
  5. Step 5: Solve for x
    x = 8,247,609,273,920,822/91,019,862.30
  6. Step 6: Final answer
    x = 90,613,291.05

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1.5x scale

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.