Home / 85,179,481.80-127,769,222.70-60,993,011.40

Finding the Fourth Proportional to 85,179,481.80, 127,769,222.70 and 60,993,011.40

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Solution

The fourth proportional to 85,179,481.80, 127,769,222.70 and 60,993,011.40 is: 91,489,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,179,481.80 : 127,769,222.70 = 60,993,011.40 : x
  2. Step 2: Convert to fraction form
    85,179,481.80/127,769,222.70 = 60,993,011.40/x
  3. Step 3: Cross multiply
    85,179,481.80x = 127,769,222.70 × 60,993,011.40
  4. Step 4: Simplify right side
    85,179,481.80x = 7,793,029,656,710,239
  5. Step 5: Solve for x
    x = 7,793,029,656,710,239/85,179,481.80
  6. Step 6: Final answer
    x = 91,489,517.10

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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.