Home / 220,766,717.16-304,644,340.35-121,641,917.40

Finding the Fourth Proportional to 220,766,717.16, 304,644,340.35 and 121,641,917.40

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Solution

The fourth proportional to 220,766,717.16, 304,644,340.35 and 121,641,917.40 is: 167,858,281.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,766,717.16 : 304,644,340.35 = 121,641,917.40 : x
  2. Step 2: Convert to fraction form
    220,766,717.16/304,644,340.35 = 121,641,917.40/x
  3. Step 3: Cross multiply
    220,766,717.16x = 304,644,340.35 × 121,641,917.40
  4. Step 4: Simplify right side
    220,766,717.16x = 37,057,521,685,232,192
  5. Step 5: Solve for x
    x = 37,057,521,685,232,192/220,766,717.16
  6. Step 6: Final answer
    x = 167,858,281.18

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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.