Home / 220,474,975.60-304,253,051.88-121,353,603.76

Finding the Fourth Proportional to 220,474,975.60, 304,253,051.88 and 121,353,603.76

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Solution

The fourth proportional to 220,474,975.60, 304,253,051.88 and 121,353,603.76 is: 167,466,644.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,474,975.60 : 304,253,051.88 = 121,353,603.76 : x
  2. Step 2: Convert to fraction form
    220,474,975.60/304,253,051.88 = 121,353,603.76/x
  3. Step 3: Cross multiply
    220,474,975.60x = 304,253,051.88 × 121,353,603.76
  4. Step 4: Simplify right side
    220,474,975.60x = 36,922,204,300,616,248
  5. Step 5: Solve for x
    x = 36,922,204,300,616,248/220,474,975.60
  6. Step 6: Final answer
    x = 167,466,644.23

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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.