Home / 83,150,698.20-124,584,329.70-70,962,984.60

Finding the Fourth Proportional to 83,150,698.20, 124,584,329.70 and 70,962,984.60

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Solution

The fourth proportional to 83,150,698.20, 124,584,329.70 and 70,962,984.60 is: 106,323,531.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,150,698.20 : 124,584,329.70 = 70,962,984.60 : x
  2. Step 2: Convert to fraction form
    83,150,698.20/124,584,329.70 = 70,962,984.60/x
  3. Step 3: Cross multiply
    83,150,698.20x = 124,584,329.70 × 70,962,984.60
  4. Step 4: Simplify right side
    83,150,698.20x = 8,840,875,869,902,422
  5. Step 5: Solve for x
    x = 8,840,875,869,902,422/83,150,698.20
  6. Step 6: Final answer
    x = 106,323,531.39

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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.