Home / 150,058,832.38-207,081,188.68-81,381,200.38

Finding the Fourth Proportional to 150,058,832.38, 207,081,188.68 and 81,381,200.38

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Solution

The fourth proportional to 150,058,832.38, 207,081,188.68 and 81,381,200.38 is: 112,306,056.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,058,832.38 : 207,081,188.68 = 81,381,200.38 : x
  2. Step 2: Convert to fraction form
    150,058,832.38/207,081,188.68 = 81,381,200.38/x
  3. Step 3: Cross multiply
    150,058,832.38x = 207,081,188.68 × 81,381,200.38
  4. Step 4: Simplify right side
    150,058,832.38x = 16,852,515,710,895,668
  5. Step 5: Solve for x
    x = 16,852,515,710,895,668/150,058,832.38
  6. Step 6: Final answer
    x = 112,306,056.52

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1.5x scale

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.