Home / 82,930,307.80-124,489,940.10-48,870,844.60

Finding the Fourth Proportional to 82,930,307.80, 124,489,940.10 and 48,870,844.60

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Solution

The fourth proportional to 82,930,307.80, 124,489,940.10 and 48,870,844.60 is: 73,361,943.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,930,307.80 : 124,489,940.10 = 48,870,844.60 : x
  2. Step 2: Convert to fraction form
    82,930,307.80/124,489,940.10 = 48,870,844.60/x
  3. Step 3: Cross multiply
    82,930,307.80x = 124,489,940.10 × 48,870,844.60
  4. Step 4: Simplify right side
    82,930,307.80x = 6,083,928,516,890,408
  5. Step 5: Solve for x
    x = 6,083,928,516,890,408/82,930,307.80
  6. Step 6: Final answer
    x = 73,361,943.04

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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.