Home / 123,135,574.24-169,927,085.43-67,381,001.33

Finding the Fourth Proportional to 123,135,574.24, 169,927,085.43 and 67,381,001.33

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Solution

The fourth proportional to 123,135,574.24, 169,927,085.43 and 67,381,001.33 is: 92,985,778.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,135,574.24 : 169,927,085.43 = 67,381,001.33 : x
  2. Step 2: Convert to fraction form
    123,135,574.24/169,927,085.43 = 67,381,001.33/x
  3. Step 3: Cross multiply
    123,135,574.24x = 169,927,085.43 × 67,381,001.33
  4. Step 4: Simplify right side
    123,135,574.24x = 11,449,857,170,064,290
  5. Step 5: Solve for x
    x = 11,449,857,170,064,290/123,135,574.24
  6. Step 6: Final answer
    x = 92,985,778.00

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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.