Home / 152,061,123.88-209,847,072.90-82,448,851.24

Finding the Fourth Proportional to 152,061,123.88, 209,847,072.90 and 82,448,851.24

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Solution

The fourth proportional to 152,061,123.88, 209,847,072.90 and 82,448,851.24 is: 113,780,890.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,061,123.88 : 209,847,072.90 = 82,448,851.24 : x
  2. Step 2: Convert to fraction form
    152,061,123.88/209,847,072.90 = 82,448,851.24/x
  3. Step 3: Cross multiply
    152,061,123.88x = 209,847,072.90 × 82,448,851.24
  4. Step 4: Simplify right side
    152,061,123.88x = 17,301,650,096,681,534
  5. Step 5: Solve for x
    x = 17,301,650,096,681,534/152,061,123.88
  6. Step 6: Final answer
    x = 113,780,890.57

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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.