Home / 98,929,885.04-136,522,738.45-54,876,427.80

Finding the Fourth Proportional to 98,929,885.04, 136,522,738.45 and 54,876,427.80

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Solution

The fourth proportional to 98,929,885.04, 136,522,738.45 and 54,876,427.80 is: 75,729,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,929,885.04 : 136,522,738.45 = 54,876,427.80 : x
  2. Step 2: Convert to fraction form
    98,929,885.04/136,522,738.45 = 54,876,427.80/x
  3. Step 3: Cross multiply
    98,929,885.04x = 136,522,738.45 × 54,876,427.80
  4. Step 4: Simplify right side
    98,929,885.04x = 7,491,880,198,652,713
  5. Step 5: Solve for x
    x = 7,491,880,198,652,713/98,929,885.04
  6. Step 6: Final answer
    x = 75,729,191.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.