Home / 127,891,203.40-191,836,805.10-89,595,958.60

Finding the Fourth Proportional to 127,891,203.40, 191,836,805.10 and 89,595,958.60

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Solution

The fourth proportional to 127,891,203.40, 191,836,805.10 and 89,595,958.60 is: 134,393,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,891,203.40 : 191,836,805.10 = 89,595,958.60 : x
  2. Step 2: Convert to fraction form
    127,891,203.40/191,836,805.10 = 89,595,958.60/x
  3. Step 3: Cross multiply
    127,891,203.40x = 191,836,805.10 × 89,595,958.60
  4. Step 4: Simplify right side
    127,891,203.40x = 17,187,802,447,695,868
  5. Step 5: Solve for x
    x = 17,187,802,447,695,868/127,891,203.40
  6. Step 6: Final answer
    x = 134,393,937.90

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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.