Home / 265,890,220.12-366,989,727.81-155,917,362.52

Finding the Fourth Proportional to 265,890,220.12, 366,989,727.81 and 155,917,362.52

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Solution

The fourth proportional to 265,890,220.12, 366,989,727.81 and 155,917,362.52 is: 215,201,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,890,220.12 : 366,989,727.81 = 155,917,362.52 : x
  2. Step 2: Convert to fraction form
    265,890,220.12/366,989,727.81 = 155,917,362.52/x
  3. Step 3: Cross multiply
    265,890,220.12x = 366,989,727.81 × 155,917,362.52
  4. Step 4: Simplify right side
    265,890,220.12x = 57,220,070,432,067,896
  5. Step 5: Solve for x
    x = 57,220,070,432,067,896/265,890,220.12
  6. Step 6: Final answer
    x = 215,201,861.90

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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.