Home / 85,034,043.84-127,359,296.64-39,500,016.96

Finding the Fourth Proportional to 85,034,043.84, 127,359,296.64 and 39,500,016.96

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Solution

The fourth proportional to 85,034,043.84, 127,359,296.64 and 39,500,016.96 is: 59,160,944.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,034,043.84 : 127,359,296.64 = 39,500,016.96 : x
  2. Step 2: Convert to fraction form
    85,034,043.84/127,359,296.64 = 39,500,016.96/x
  3. Step 3: Cross multiply
    85,034,043.84x = 127,359,296.64 × 39,500,016.96
  4. Step 4: Simplify right side
    85,034,043.84x = 5,030,694,377,293,671
  5. Step 5: Solve for x
    x = 5,030,694,377,293,671/85,034,043.84
  6. Step 6: Final answer
    x = 59,160,944.84

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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.