Home / 69,664,147.32-96,138,372.72-38,303,518.80

Finding the Fourth Proportional to 69,664,147.32, 96,138,372.72 and 38,303,518.80

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Solution

The fourth proportional to 69,664,147.32, 96,138,372.72 and 38,303,518.80 is: 52,859,872.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,664,147.32 : 96,138,372.72 = 38,303,518.80 : x
  2. Step 2: Convert to fraction form
    69,664,147.32/96,138,372.72 = 38,303,518.80/x
  3. Step 3: Cross multiply
    69,664,147.32x = 96,138,372.72 × 38,303,518.80
  4. Step 4: Simplify right side
    69,664,147.32x = 3,682,437,966,881,927
  5. Step 5: Solve for x
    x = 3,682,437,966,881,927/69,664,147.32
  6. Step 6: Final answer
    x = 52,859,872.81

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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.