Home / 195,718,019.60-293,577,029.40-131,220,765.20

Finding the Fourth Proportional to 195,718,019.60, 293,577,029.40 and 131,220,765.20

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Solution

The fourth proportional to 195,718,019.60, 293,577,029.40 and 131,220,765.20 is: 196,831,147.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,718,019.60 : 293,577,029.40 = 131,220,765.20 : x
  2. Step 2: Convert to fraction form
    195,718,019.60/293,577,029.40 = 131,220,765.20/x
  3. Step 3: Cross multiply
    195,718,019.60x = 293,577,029.40 × 131,220,765.20
  4. Step 4: Simplify right side
    195,718,019.60x = 38,523,402,443,010,896
  5. Step 5: Solve for x
    x = 38,523,402,443,010,896/195,718,019.60
  6. Step 6: Final answer
    x = 196,831,147.80

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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.