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Finding the Fourth Proportional to 29,780,862.40, 41,608,176.80 and 29,780,862.40

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Solution

The fourth proportional to 29,780,862.40, 41,608,176.80 and 29,780,862.40 is: 41,608,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,780,862.40 : 41,608,176.80 = 29,780,862.40 : x
  2. Step 2: Convert to fraction form
    29,780,862.40/41,608,176.80 = 29,780,862.40/x
  3. Step 3: Cross multiply
    29,780,862.40x = 41,608,176.80 × 29,780,862.40
  4. Step 4: Simplify right side
    29,780,862.40x = 1,239,127,387,995,672.25
  5. Step 5: Solve for x
    x = 1,239,127,387,995,672.25/29,780,862.40
  6. Step 6: Final answer
    x = 41,608,176.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.