Home / 66,474,754.20-91,734,810.12-38,604,317.40

Finding the Fourth Proportional to 66,474,754.20, 91,734,810.12 and 38,604,317.40

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Solution

The fourth proportional to 66,474,754.20, 91,734,810.12 and 38,604,317.40 is: 53,273,754.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,474,754.20 : 91,734,810.12 = 38,604,317.40 : x
  2. Step 2: Convert to fraction form
    66,474,754.20/91,734,810.12 = 38,604,317.40/x
  3. Step 3: Cross multiply
    66,474,754.20x = 91,734,810.12 × 38,604,317.40
  4. Step 4: Simplify right side
    66,474,754.20x = 3,541,359,726,501,212
  5. Step 5: Solve for x
    x = 3,541,359,726,501,212/66,474,754.20
  6. Step 6: Final answer
    x = 53,273,754.36

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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.