Home / 69,664,103.30-96,138,312-38,303,474.78

Finding the Fourth Proportional to 69,664,103.30, 96,138,312 and 38,303,474.78

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Solution

The fourth proportional to 69,664,103.30, 96,138,312 and 38,303,474.78 is: 52,859,812.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,664,103.30 : 96,138,312 = 38,303,474.78 : x
  2. Step 2: Convert to fraction form
    69,664,103.30/96,138,312 = 38,303,474.78/x
  3. Step 3: Cross multiply
    69,664,103.30x = 96,138,312 × 38,303,474.78
  4. Step 4: Simplify right side
    69,664,103.30x = 3,682,431,409,083,771.50
  5. Step 5: Solve for x
    x = 3,682,431,409,083,771.50/69,664,103.30
  6. Step 6: Final answer
    x = 52,859,812.08

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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.