Home / 61,038,563.53-91,554,137.29-21,648,768.97

Finding the Fourth Proportional to 61,038,563.53, 91,554,137.29 and 21,648,768.97

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Solution

The fourth proportional to 61,038,563.53, 91,554,137.29 and 21,648,768.97 is: 32,471,838.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,038,563.53 : 91,554,137.29 = 21,648,768.97 : x
  2. Step 2: Convert to fraction form
    61,038,563.53/91,554,137.29 = 21,648,768.97/x
  3. Step 3: Cross multiply
    61,038,563.53x = 91,554,137.29 × 21,648,768.97
  4. Step 4: Simplify right side
    61,038,563.53x = 1,982,034,366,438,872
  5. Step 5: Solve for x
    x = 1,982,034,366,438,872/61,038,563.53
  6. Step 6: Final answer
    x = 32,471,838.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.