Home / 123,767,288.76-170,804,173.02-68,763,145.26

Finding the Fourth Proportional to 123,767,288.76, 170,804,173.02 and 68,763,145.26

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Solution

The fourth proportional to 123,767,288.76, 170,804,173.02 and 68,763,145.26 is: 94,896,093.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,767,288.76 : 170,804,173.02 = 68,763,145.26 : x
  2. Step 2: Convert to fraction form
    123,767,288.76/170,804,173.02 = 68,763,145.26/x
  3. Step 3: Cross multiply
    123,767,288.76x = 170,804,173.02 × 68,763,145.26
  4. Step 4: Simplify right side
    123,767,288.76x = 11,745,032,160,388,434
  5. Step 5: Solve for x
    x = 11,745,032,160,388,434/123,767,288.76
  6. Step 6: Final answer
    x = 94,896,093.13

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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.