Home / 214,558,772.80-321,838,159.20-78,248,603.20

Finding the Fourth Proportional to 214,558,772.80, 321,838,159.20 and 78,248,603.20

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Solution

The fourth proportional to 214,558,772.80, 321,838,159.20 and 78,248,603.20 is: 117,372,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,558,772.80 : 321,838,159.20 = 78,248,603.20 : x
  2. Step 2: Convert to fraction form
    214,558,772.80/321,838,159.20 = 78,248,603.20/x
  3. Step 3: Cross multiply
    214,558,772.80x = 321,838,159.20 × 78,248,603.20
  4. Step 4: Simplify right side
    214,558,772.80x = 25,183,386,413,859,228
  5. Step 5: Solve for x
    x = 25,183,386,413,859,228/214,558,772.80
  6. Step 6: Final answer
    x = 117,372,904.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.