Home / 84,891,019.20-127,336,528.80-27,385,166.40

Finding the Fourth Proportional to 84,891,019.20, 127,336,528.80 and 27,385,166.40

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Solution

The fourth proportional to 84,891,019.20, 127,336,528.80 and 27,385,166.40 is: 41,077,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,891,019.20 : 127,336,528.80 = 27,385,166.40 : x
  2. Step 2: Convert to fraction form
    84,891,019.20/127,336,528.80 = 27,385,166.40/x
  3. Step 3: Cross multiply
    84,891,019.20x = 127,336,528.80 × 27,385,166.40
  4. Step 4: Simplify right side
    84,891,019.20x = 3,487,132,029,986,392
  5. Step 5: Solve for x
    x = 3,487,132,029,986,392/84,891,019.20
  6. Step 6: Final answer
    x = 41,077,749.60

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Similar ratio
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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.