Home / 129,433,974.80-194,150,962.20-61,409,526.80

Finding the Fourth Proportional to 129,433,974.80, 194,150,962.20 and 61,409,526.80

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Solution

The fourth proportional to 129,433,974.80, 194,150,962.20 and 61,409,526.80 is: 92,114,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,433,974.80 : 194,150,962.20 = 61,409,526.80 : x
  2. Step 2: Convert to fraction form
    129,433,974.80/194,150,962.20 = 61,409,526.80/x
  3. Step 3: Cross multiply
    129,433,974.80x = 194,150,962.20 × 61,409,526.80
  4. Step 4: Simplify right side
    129,433,974.80x = 11,922,718,716,466,686
  5. Step 5: Solve for x
    x = 11,922,718,716,466,686/129,433,974.80
  6. Step 6: Final answer
    x = 92,114,290.20

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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.