Home / 98,680,156.21-136,179,692.99-54,627,890.88

Finding the Fourth Proportional to 98,680,156.21, 136,179,692.99 and 54,627,890.88

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Solution

The fourth proportional to 98,680,156.21, 136,179,692.99 and 54,627,890.88 is: 75,387,085.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,680,156.21 : 136,179,692.99 = 54,627,890.88 : x
  2. Step 2: Convert to fraction form
    98,680,156.21/136,179,692.99 = 54,627,890.88/x
  3. Step 3: Cross multiply
    98,680,156.21x = 136,179,692.99 × 54,627,890.88
  4. Step 4: Simplify right side
    98,680,156.21x = 7,439,209,408,729,622
  5. Step 5: Solve for x
    x = 7,439,209,408,729,622/98,680,156.21
  6. Step 6: Final answer
    x = 75,387,085.86

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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.