Home / 215,476,395.52-297,358,333.86-121,391,671.30

Finding the Fourth Proportional to 215,476,395.52, 297,358,333.86 and 121,391,671.30

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Solution

The fourth proportional to 215,476,395.52, 297,358,333.86 and 121,391,671.30 is: 167,521,017.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,476,395.52 : 297,358,333.86 = 121,391,671.30 : x
  2. Step 2: Convert to fraction form
    215,476,395.52/297,358,333.86 = 121,391,671.30/x
  3. Step 3: Cross multiply
    215,476,395.52x = 297,358,333.86 × 121,391,671.30
  4. Step 4: Simplify right side
    215,476,395.52x = 36,096,825,122,248,784
  5. Step 5: Solve for x
    x = 36,096,825,122,248,784/215,476,395.52
  6. Step 6: Final answer
    x = 167,521,017.95

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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.