Home / 47,315,102.80-70,972,654.20-21,805,934.80

Finding the Fourth Proportional to 47,315,102.80, 70,972,654.20 and 21,805,934.80

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Solution

The fourth proportional to 47,315,102.80, 70,972,654.20 and 21,805,934.80 is: 32,708,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,315,102.80 : 70,972,654.20 = 21,805,934.80 : x
  2. Step 2: Convert to fraction form
    47,315,102.80/70,972,654.20 = 21,805,934.80/x
  3. Step 3: Cross multiply
    47,315,102.80x = 70,972,654.20 × 21,805,934.80
  4. Step 4: Simplify right side
    47,315,102.80x = 1,547,625,070,068,146.25
  5. Step 5: Solve for x
    x = 1,547,625,070,068,146.25/47,315,102.80
  6. Step 6: Final answer
    x = 32,708,902.20

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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.