Home / 83,308,835.81-125,043,856.01-40,208,380.22

Finding the Fourth Proportional to 83,308,835.81, 125,043,856.01 and 40,208,380.22

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Solution

The fourth proportional to 83,308,835.81, 125,043,856.01 and 40,208,380.22 is: 60,351,472.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,308,835.81 : 125,043,856.01 = 40,208,380.22 : x
  2. Step 2: Convert to fraction form
    83,308,835.81/125,043,856.01 = 40,208,380.22/x
  3. Step 3: Cross multiply
    83,308,835.81x = 125,043,856.01 × 40,208,380.22
  4. Step 4: Simplify right side
    83,308,835.81x = 5,027,810,905,798,751
  5. Step 5: Solve for x
    x = 5,027,810,905,798,751/83,308,835.81
  6. Step 6: Final answer
    x = 60,351,472.41

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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.