Home / 172,156,581.77-258,081,943.26-67,087,603.06

Finding the Fourth Proportional to 172,156,581.77, 258,081,943.26 and 67,087,603.06

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Solution

The fourth proportional to 172,156,581.77, 258,081,943.26 and 67,087,603.06 is: 100,571,809.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,156,581.77 : 258,081,943.26 = 67,087,603.06 : x
  2. Step 2: Convert to fraction form
    172,156,581.77/258,081,943.26 = 67,087,603.06/x
  3. Step 3: Cross multiply
    172,156,581.77x = 258,081,943.26 × 67,087,603.06
  4. Step 4: Simplify right side
    172,156,581.77x = 17,314,098,966,872,860
  5. Step 5: Solve for x
    x = 17,314,098,966,872,860/172,156,581.77
  6. Step 6: Final answer
    x = 100,571,809.62

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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.