Home / 66,323,889.64-91,527,330.80-38,463,118.56

Finding the Fourth Proportional to 66,323,889.64, 91,527,330.80 and 38,463,118.56

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Solution

The fourth proportional to 66,323,889.64, 91,527,330.80 and 38,463,118.56 is: 53,079,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,323,889.64 : 91,527,330.80 = 38,463,118.56 : x
  2. Step 2: Convert to fraction form
    66,323,889.64/91,527,330.80 = 38,463,118.56/x
  3. Step 3: Cross multiply
    66,323,889.64x = 91,527,330.80 × 38,463,118.56
  4. Step 4: Simplify right side
    66,323,889.64x = 3,520,426,576,040,740
  5. Step 5: Solve for x
    x = 3,520,426,576,040,740/66,323,889.64
  6. Step 6: Final answer
    x = 53,079,314.18

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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.