Home / 150,058,823.77-207,081,176.80-81,381,191.77

Finding the Fourth Proportional to 150,058,823.77, 207,081,176.80 and 81,381,191.77

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Solution

The fourth proportional to 150,058,823.77, 207,081,176.80 and 81,381,191.77 is: 112,306,044.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,058,823.77 : 207,081,176.80 = 81,381,191.77 : x
  2. Step 2: Convert to fraction form
    150,058,823.77/207,081,176.80 = 81,381,191.77/x
  3. Step 3: Cross multiply
    150,058,823.77x = 207,081,176.80 × 81,381,191.77
  4. Step 4: Simplify right side
    150,058,823.77x = 16,852,512,959,932,142
  5. Step 5: Solve for x
    x = 16,852,512,959,932,142/150,058,823.77
  6. Step 6: Final answer
    x = 112,306,044.64

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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.