Home / 81,941,340.80-122,896,065.84-23,644,920.32

Finding the Fourth Proportional to 81,941,340.80, 122,896,065.84 and 23,644,920.32

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Solution

The fourth proportional to 81,941,340.80, 122,896,065.84 and 23,644,920.32 is: 35,462,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,941,340.80 : 122,896,065.84 = 23,644,920.32 : x
  2. Step 2: Convert to fraction form
    81,941,340.80/122,896,065.84 = 23,644,920.32/x
  3. Step 3: Cross multiply
    81,941,340.80x = 122,896,065.84 × 23,644,920.32
  4. Step 4: Simplify right side
    81,941,340.80x = 2,905,867,684,428,274
  5. Step 5: Solve for x
    x = 2,905,867,684,428,274/81,941,340.80
  6. Step 6: Final answer
    x = 35,462,779.30

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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.