Home / 88,590,540.40-132,885,810.60-83,215,769.20

Finding the Fourth Proportional to 88,590,540.40, 132,885,810.60 and 83,215,769.20

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Solution

The fourth proportional to 88,590,540.40, 132,885,810.60 and 83,215,769.20 is: 124,823,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,590,540.40 : 132,885,810.60 = 83,215,769.20 : x
  2. Step 2: Convert to fraction form
    88,590,540.40/132,885,810.60 = 83,215,769.20/x
  3. Step 3: Cross multiply
    88,590,540.40x = 132,885,810.60 × 83,215,769.20
  4. Step 4: Simplify right side
    88,590,540.40x = 11,058,194,944,844,514
  5. Step 5: Solve for x
    x = 11,058,194,944,844,514/88,590,540.40
  6. Step 6: Final answer
    x = 124,823,653.80

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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.