Home / 123,767,180.30-170,804,023.20-68,763,036.80

Finding the Fourth Proportional to 123,767,180.30, 170,804,023.20 and 68,763,036.80

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Solution

The fourth proportional to 123,767,180.30, 170,804,023.20 and 68,763,036.80 is: 94,895,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,767,180.30 : 170,804,023.20 = 68,763,036.80 : x
  2. Step 2: Convert to fraction form
    123,767,180.30/170,804,023.20 = 68,763,036.80/x
  3. Step 3: Cross multiply
    123,767,180.30x = 170,804,023.20 × 68,763,036.80
  4. Step 4: Simplify right side
    123,767,180.30x = 11,745,003,332,889,652
  5. Step 5: Solve for x
    x = 11,745,003,332,889,652/123,767,180.30
  6. Step 6: Final answer
    x = 94,895,943.37

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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.