Home / 140,505,057.88-193,899,275.40-76,924,336.22

Finding the Fourth Proportional to 140,505,057.88, 193,899,275.40 and 76,924,336.22

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Solution

The fourth proportional to 140,505,057.88, 193,899,275.40 and 76,924,336.22 is: 106,156,840.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,505,057.88 : 193,899,275.40 = 76,924,336.22 : x
  2. Step 2: Convert to fraction form
    140,505,057.88/193,899,275.40 = 76,924,336.22/x
  3. Step 3: Cross multiply
    140,505,057.88x = 193,899,275.40 × 76,924,336.22
  4. Step 4: Simplify right side
    140,505,057.88x = 14,915,573,053,683,976
  5. Step 5: Solve for x
    x = 14,915,573,053,683,976/140,505,057.88
  6. Step 6: Final answer
    x = 106,156,840.75

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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.