Home / 220,475,013.04-304,253,103.51-121,353,641.20

Finding the Fourth Proportional to 220,475,013.04, 304,253,103.51 and 121,353,641.20

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Solution

The fourth proportional to 220,475,013.04, 304,253,103.51 and 121,353,641.20 is: 167,466,695.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,475,013.04 : 304,253,103.51 = 121,353,641.20 : x
  2. Step 2: Convert to fraction form
    220,475,013.04/304,253,103.51 = 121,353,641.20/x
  3. Step 3: Cross multiply
    220,475,013.04x = 304,253,103.51 × 121,353,641.20
  4. Step 4: Simplify right side
    220,475,013.04x = 36,922,221,956,578,368
  5. Step 5: Solve for x
    x = 36,922,221,956,578,368/220,475,013.04
  6. Step 6: Final answer
    x = 167,466,695.88

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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.