Home / 69,828,193.78-96,374,633.62-40,477,885.90

Finding the Fourth Proportional to 69,828,193.78, 96,374,633.62 and 40,477,885.90

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Solution

The fourth proportional to 69,828,193.78, 96,374,633.62 and 40,477,885.90 is: 55,866,279.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,828,193.78 : 96,374,633.62 = 40,477,885.90 : x
  2. Step 2: Convert to fraction form
    69,828,193.78/96,374,633.62 = 40,477,885.90/x
  3. Step 3: Cross multiply
    69,828,193.78x = 96,374,633.62 × 40,477,885.90
  4. Step 4: Simplify right side
    69,828,193.78x = 3,901,041,423,324,664
  5. Step 5: Solve for x
    x = 3,901,041,423,324,664/69,828,193.78
  6. Step 6: Final answer
    x = 55,866,279.97

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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.