Home / 136,676,995.36-188,614,130.76-77,150,823.82

Finding the Fourth Proportional to 136,676,995.36, 188,614,130.76 and 77,150,823.82

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Solution

The fourth proportional to 136,676,995.36, 188,614,130.76 and 77,150,823.82 is: 106,468,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,676,995.36 : 188,614,130.76 = 77,150,823.82 : x
  2. Step 2: Convert to fraction form
    136,676,995.36/188,614,130.76 = 77,150,823.82/x
  3. Step 3: Cross multiply
    136,676,995.36x = 188,614,130.76 × 77,150,823.82
  4. Step 4: Simplify right side
    136,676,995.36x = 14,551,735,572,227,200
  5. Step 5: Solve for x
    x = 14,551,735,572,227,200/136,676,995.36
  6. Step 6: Final answer
    x = 106,468,067.53

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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.