Home / 91,544,006.76-137,305,131.30-30,117,932.36

Finding the Fourth Proportional to 91,544,006.76, 137,305,131.30 and 30,117,932.36

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Solution

The fourth proportional to 91,544,006.76, 137,305,131.30 and 30,117,932.36 is: 45,173,319.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,544,006.76 : 137,305,131.30 = 30,117,932.36 : x
  2. Step 2: Convert to fraction form
    91,544,006.76/137,305,131.30 = 30,117,932.36/x
  3. Step 3: Cross multiply
    91,544,006.76x = 137,305,131.30 × 30,117,932.36
  4. Step 4: Simplify right side
    91,544,006.76x = 4,135,346,657,174,319
  5. Step 5: Solve for x
    x = 4,135,346,657,174,319/91,544,006.76
  6. Step 6: Final answer
    x = 45,173,319.41

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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.