Home / 77,442,104.72-116,163,166.80-25,612,795.16

Finding the Fourth Proportional to 77,442,104.72, 116,163,166.80 and 25,612,795.16

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Solution

The fourth proportional to 77,442,104.72, 116,163,166.80 and 25,612,795.16 is: 38,419,195.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,442,104.72 : 116,163,166.80 = 25,612,795.16 : x
  2. Step 2: Convert to fraction form
    77,442,104.72/116,163,166.80 = 25,612,795.16/x
  3. Step 3: Cross multiply
    77,442,104.72x = 116,163,166.80 × 25,612,795.16
  4. Step 4: Simplify right side
    77,442,104.72x = 2,975,263,396,385,312.50
  5. Step 5: Solve for x
    x = 2,975,263,396,385,312.50/77,442,104.72
  6. Step 6: Final answer
    x = 38,419,195.95

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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.