Home / 83,360,798.55-125,016,881.09-28,022,378.54

Finding the Fourth Proportional to 83,360,798.55, 125,016,881.09 and 28,022,378.54

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Solution

The fourth proportional to 83,360,798.55, 125,016,881.09 and 28,022,378.54 is: 42,025,393.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,360,798.55 : 125,016,881.09 = 28,022,378.54 : x
  2. Step 2: Convert to fraction form
    83,360,798.55/125,016,881.09 = 28,022,378.54/x
  3. Step 3: Cross multiply
    83,360,798.55x = 125,016,881.09 × 28,022,378.54
  4. Step 4: Simplify right side
    83,360,798.55x = 3,503,270,365,028,951.50
  5. Step 5: Solve for x
    x = 3,503,270,365,028,951.50/83,360,798.55
  6. Step 6: Final answer
    x = 42,025,393.54

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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.