Home / 123,942,026.30-171,039,739.37-68,187,312.56

Finding the Fourth Proportional to 123,942,026.30, 171,039,739.37 and 68,187,312.56

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Solution

The fourth proportional to 123,942,026.30, 171,039,739.37 and 68,187,312.56 is: 94,098,349.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,942,026.30 : 171,039,739.37 = 68,187,312.56 : x
  2. Step 2: Convert to fraction form
    123,942,026.30/171,039,739.37 = 68,187,312.56/x
  3. Step 3: Cross multiply
    123,942,026.30x = 171,039,739.37 × 68,187,312.56
  4. Step 4: Simplify right side
    123,942,026.30x = 11,662,740,167,406,994
  5. Step 5: Solve for x
    x = 11,662,740,167,406,994/123,942,026.30
  6. Step 6: Final answer
    x = 94,098,349.98

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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.