Home / 143,532,006.80-215,298,010.20-82,058,061.20

Finding the Fourth Proportional to 143,532,006.80, 215,298,010.20 and 82,058,061.20

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Solution

The fourth proportional to 143,532,006.80, 215,298,010.20 and 82,058,061.20 is: 123,087,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,532,006.80 : 215,298,010.20 = 82,058,061.20 : x
  2. Step 2: Convert to fraction form
    143,532,006.80/215,298,010.20 = 82,058,061.20/x
  3. Step 3: Cross multiply
    143,532,006.80x = 215,298,010.20 × 82,058,061.20
  4. Step 4: Simplify right side
    143,532,006.80x = 17,666,937,297,229,824
  5. Step 5: Solve for x
    x = 17,666,937,297,229,824/143,532,006.80
  6. Step 6: Final answer
    x = 123,087,091.80

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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.