Home / 75,179,955.30-112,769,932.95-66,222,003.30

Finding the Fourth Proportional to 75,179,955.30, 112,769,932.95 and 66,222,003.30

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Solution

The fourth proportional to 75,179,955.30, 112,769,932.95 and 66,222,003.30 is: 99,333,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,179,955.30 : 112,769,932.95 = 66,222,003.30 : x
  2. Step 2: Convert to fraction form
    75,179,955.30/112,769,932.95 = 66,222,003.30/x
  3. Step 3: Cross multiply
    75,179,955.30x = 112,769,932.95 × 66,222,003.30
  4. Step 4: Simplify right side
    75,179,955.30x = 7,467,850,871,955,679
  5. Step 5: Solve for x
    x = 7,467,850,871,955,679/75,179,955.30
  6. Step 6: Final answer
    x = 99,333,004.95

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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.