Home / 74,293,406.49-111,445,974.13-19,706,008.15

Finding the Fourth Proportional to 74,293,406.49, 111,445,974.13 and 19,706,008.15

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Solution

The fourth proportional to 74,293,406.49, 111,445,974.13 and 19,706,008.15 is: 29,560,567.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,293,406.49 : 111,445,974.13 = 19,706,008.15 : x
  2. Step 2: Convert to fraction form
    74,293,406.49/111,445,974.13 = 19,706,008.15/x
  3. Step 3: Cross multiply
    74,293,406.49x = 111,445,974.13 × 19,706,008.15
  4. Step 4: Simplify right side
    74,293,406.49x = 2,196,155,273,933,239.25
  5. Step 5: Solve for x
    x = 2,196,155,273,933,239.25/74,293,406.49
  6. Step 6: Final answer
    x = 29,560,567.72

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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.