Home / 265,890,221.12-366,989,729.19-155,917,363.52

Finding the Fourth Proportional to 265,890,221.12, 366,989,729.19 and 155,917,363.52

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Solution

The fourth proportional to 265,890,221.12, 366,989,729.19 and 155,917,363.52 is: 215,201,863.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,890,221.12 : 366,989,729.19 = 155,917,363.52 : x
  2. Step 2: Convert to fraction form
    265,890,221.12/366,989,729.19 = 155,917,363.52/x
  3. Step 3: Cross multiply
    265,890,221.12x = 366,989,729.19 × 155,917,363.52
  4. Step 4: Simplify right side
    265,890,221.12x = 57,220,071,014,223,592
  5. Step 5: Solve for x
    x = 57,220,071,014,223,592/265,890,221.12
  6. Step 6: Final answer
    x = 215,201,863.28

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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.