Home / 74,293,405-111,445,971.89-19,706,006.65

Finding the Fourth Proportional to 74,293,405, 111,445,971.89 and 19,706,006.65

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Solution

The fourth proportional to 74,293,405, 111,445,971.89 and 19,706,006.65 is: 29,560,565.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,293,405 : 111,445,971.89 = 19,706,006.65 : x
  2. Step 2: Convert to fraction form
    74,293,405/111,445,971.89 = 19,706,006.65/x
  3. Step 3: Cross multiply
    74,293,405x = 111,445,971.89 × 19,706,006.65
  4. Step 4: Simplify right side
    74,293,405x = 2,196,155,063,180,053
  5. Step 5: Solve for x
    x = 2,196,155,063,180,053/74,293,405
  6. Step 6: Final answer
    x = 29,560,565.48

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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.