Home / 45,948,177.40-68,922,266.10-20,391,770.20

Finding the Fourth Proportional to 45,948,177.40, 68,922,266.10 and 20,391,770.20

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Solution

The fourth proportional to 45,948,177.40, 68,922,266.10 and 20,391,770.20 is: 30,587,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,948,177.40 : 68,922,266.10 = 20,391,770.20 : x
  2. Step 2: Convert to fraction form
    45,948,177.40/68,922,266.10 = 20,391,770.20/x
  3. Step 3: Cross multiply
    45,948,177.40x = 68,922,266.10 × 20,391,770.20
  4. Step 4: Simplify right side
    45,948,177.40x = 1,405,447,011,974,450
  5. Step 5: Solve for x
    x = 1,405,447,011,974,450/45,948,177.40
  6. Step 6: Final answer
    x = 30,587,655.30

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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.