Home / 219,603,127.42-303,055,407.89-120,482,073.61

Finding the Fourth Proportional to 219,603,127.42, 303,055,407.89 and 120,482,073.61

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Solution

The fourth proportional to 219,603,127.42, 303,055,407.89 and 120,482,073.61 is: 166,266,957.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,603,127.42 : 303,055,407.89 = 120,482,073.61 : x
  2. Step 2: Convert to fraction form
    219,603,127.42/303,055,407.89 = 120,482,073.61/x
  3. Step 3: Cross multiply
    219,603,127.42x = 303,055,407.89 × 120,482,073.61
  4. Step 4: Simplify right side
    219,603,127.42x = 36,512,743,960,403,320
  5. Step 5: Solve for x
    x = 36,512,743,960,403,320/219,603,127.42
  6. Step 6: Final answer
    x = 166,266,957.99

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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.