Home / 82,986,427.75-114,531,312.50-47,231,561.75

Finding the Fourth Proportional to 82,986,427.75, 114,531,312.50 and 47,231,561.75

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Solution

The fourth proportional to 82,986,427.75, 114,531,312.50 and 47,231,561.75 is: 65,185,270.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,986,427.75 : 114,531,312.50 = 47,231,561.75 : x
  2. Step 2: Convert to fraction form
    82,986,427.75/114,531,312.50 = 47,231,561.75/x
  3. Step 3: Cross multiply
    82,986,427.75x = 114,531,312.50 × 47,231,561.75
  4. Step 4: Simplify right side
    82,986,427.75x = 5,409,492,758,930,753
  5. Step 5: Solve for x
    x = 5,409,492,758,930,753/82,986,427.75
  6. Step 6: Final answer
    x = 65,185,270.72

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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.