Home / 100,662,854.00-138,912,560.46-58,278,200.60

Finding the Fourth Proportional to 100,662,854.00, 138,912,560.46 and 58,278,200.60

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Solution

The fourth proportional to 100,662,854.00, 138,912,560.46 and 58,278,200.60 is: 80,422,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,662,854.00 : 138,912,560.46 = 58,278,200.60 : x
  2. Step 2: Convert to fraction form
    100,662,854.00/138,912,560.46 = 58,278,200.60/x
  3. Step 3: Cross multiply
    100,662,854.00x = 138,912,560.46 × 58,278,200.60
  4. Step 4: Simplify right side
    100,662,854.00x = 8,095,574,063,652,946
  5. Step 5: Solve for x
    x = 8,095,574,063,652,946/100,662,854.00
  6. Step 6: Final answer
    x = 80,422,655.85

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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.