Home / 145,536,702.30-218,305,053.45-131,187,795.30

Finding the Fourth Proportional to 145,536,702.30, 218,305,053.45 and 131,187,795.30

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Solution

The fourth proportional to 145,536,702.30, 218,305,053.45 and 131,187,795.30 is: 196,781,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,536,702.30 : 218,305,053.45 = 131,187,795.30 : x
  2. Step 2: Convert to fraction form
    145,536,702.30/218,305,053.45 = 131,187,795.30/x
  3. Step 3: Cross multiply
    145,536,702.30x = 218,305,053.45 × 131,187,795.30
  4. Step 4: Simplify right side
    145,536,702.30x = 28,638,958,664,954,156
  5. Step 5: Solve for x
    x = 28,638,958,664,954,156/145,536,702.30
  6. Step 6: Final answer
    x = 196,781,692.95

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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.