Home / 76,923,043.95-106,149,595.62-42,108,999.87

Finding the Fourth Proportional to 76,923,043.95, 106,149,595.62 and 42,108,999.87

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Solution

The fourth proportional to 76,923,043.95, 106,149,595.62 and 42,108,999.87 is: 58,108,117.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,923,043.95 : 106,149,595.62 = 42,108,999.87 : x
  2. Step 2: Convert to fraction form
    76,923,043.95/106,149,595.62 = 42,108,999.87/x
  3. Step 3: Cross multiply
    76,923,043.95x = 106,149,595.62 × 42,108,999.87
  4. Step 4: Simplify right side
    76,923,043.95x = 4,469,853,308,428,507
  5. Step 5: Solve for x
    x = 4,469,853,308,428,507/76,923,043.95
  6. Step 6: Final answer
    x = 58,108,117.92

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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.