Home / 195,836,139.90-293,782,203.45-66,449,720.70

Finding the Fourth Proportional to 195,836,139.90, 293,782,203.45 and 66,449,720.70

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Solution

The fourth proportional to 195,836,139.90, 293,782,203.45 and 66,449,720.70 is: 99,684,079.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,836,139.90 : 293,782,203.45 = 66,449,720.70 : x
  2. Step 2: Convert to fraction form
    195,836,139.90/293,782,203.45 = 66,449,720.70/x
  3. Step 3: Cross multiply
    195,836,139.90x = 293,782,203.45 × 66,449,720.70
  4. Step 4: Simplify right side
    195,836,139.90x = 19,521,745,365,883,076
  5. Step 5: Solve for x
    x = 19,521,745,365,883,076/195,836,139.90
  6. Step 6: Final answer
    x = 99,684,079.64

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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.