Home / 41,130,680.30-61,696,020.45-20,975,288.30

Finding the Fourth Proportional to 41,130,680.30, 61,696,020.45 and 20,975,288.30

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Solution

The fourth proportional to 41,130,680.30, 61,696,020.45 and 20,975,288.30 is: 31,462,932.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,130,680.30 : 61,696,020.45 = 20,975,288.30 : x
  2. Step 2: Convert to fraction form
    41,130,680.30/61,696,020.45 = 20,975,288.30/x
  3. Step 3: Cross multiply
    41,130,680.30x = 61,696,020.45 × 20,975,288.30
  4. Step 4: Simplify right side
    41,130,680.30x = 1,294,091,815,901,445.75
  5. Step 5: Solve for x
    x = 1,294,091,815,901,445.75/41,130,680.30
  6. Step 6: Final answer
    x = 31,462,932.45

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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.