Home / 220,475,012.58-304,253,102.86-121,353,640.74

Finding the Fourth Proportional to 220,475,012.58, 304,253,102.86 and 121,353,640.74

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Solution

The fourth proportional to 220,475,012.58, 304,253,102.86 and 121,353,640.74 is: 167,466,695.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,475,012.58 : 304,253,102.86 = 121,353,640.74 : x
  2. Step 2: Convert to fraction form
    220,475,012.58/304,253,102.86 = 121,353,640.74/x
  3. Step 3: Cross multiply
    220,475,012.58x = 304,253,102.86 × 121,353,640.74
  4. Step 4: Simplify right side
    220,475,012.58x = 36,922,221,738,502,704
  5. Step 5: Solve for x
    x = 36,922,221,738,502,704/220,475,012.58
  6. Step 6: Final answer
    x = 167,466,695.23

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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.