Home / 68,375,772.40-102,563,658.60-19,853,532.40

Finding the Fourth Proportional to 68,375,772.40, 102,563,658.60 and 19,853,532.40

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Solution

The fourth proportional to 68,375,772.40, 102,563,658.60 and 19,853,532.40 is: 29,780,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,375,772.40 : 102,563,658.60 = 19,853,532.40 : x
  2. Step 2: Convert to fraction form
    68,375,772.40/102,563,658.60 = 19,853,532.40/x
  3. Step 3: Cross multiply
    68,375,772.40x = 102,563,658.60 × 19,853,532.40
  4. Step 4: Simplify right side
    68,375,772.40x = 2,036,250,919,077,638.25
  5. Step 5: Solve for x
    x = 2,036,250,919,077,638.25/68,375,772.40
  6. Step 6: Final answer
    x = 29,780,298.60

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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.