Home / 98,986,341.42-136,604,257.56-57,169,629.90

Finding the Fourth Proportional to 98,986,341.42, 136,604,257.56 and 57,169,629.90

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Solution

The fourth proportional to 98,986,341.42, 136,604,257.56 and 57,169,629.90 is: 78,895,883.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,986,341.42 : 136,604,257.56 = 57,169,629.90 : x
  2. Step 2: Convert to fraction form
    98,986,341.42/136,604,257.56 = 57,169,629.90/x
  3. Step 3: Cross multiply
    98,986,341.42x = 136,604,257.56 × 57,169,629.90
  4. Step 4: Simplify right side
    98,986,341.42x = 7,809,614,847,469,477
  5. Step 5: Solve for x
    x = 7,809,614,847,469,477/98,986,341.42
  6. Step 6: Final answer
    x = 78,895,883.37

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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.