Home / 265,397,221.15-366,249,865.30-147,929,999.78

Finding the Fourth Proportional to 265,397,221.15, 366,249,865.30 and 147,929,999.78

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Solution

The fourth proportional to 265,397,221.15, 366,249,865.30 and 147,929,999.78 is: 204,144,347.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,397,221.15 : 366,249,865.30 = 147,929,999.78 : x
  2. Step 2: Convert to fraction form
    265,397,221.15/366,249,865.30 = 147,929,999.78/x
  3. Step 3: Cross multiply
    265,397,221.15x = 366,249,865.30 × 147,929,999.78
  4. Step 4: Simplify right side
    265,397,221.15x = 54,179,342,493,799,832
  5. Step 5: Solve for x
    x = 54,179,342,493,799,832/265,397,221.15
  6. Step 6: Final answer
    x = 204,144,347.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.