Home / 49,472,422.57-68,243,578.29-30,855,241.05

Finding the Fourth Proportional to 49,472,422.57, 68,243,578.29 and 30,855,241.05

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Solution

The fourth proportional to 49,472,422.57, 68,243,578.29 and 30,855,241.05 is: 42,562,541.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,472,422.57 : 68,243,578.29 = 30,855,241.05 : x
  2. Step 2: Convert to fraction form
    49,472,422.57/68,243,578.29 = 30,855,241.05/x
  3. Step 3: Cross multiply
    49,472,422.57x = 68,243,578.29 × 30,855,241.05
  4. Step 4: Simplify right side
    49,472,422.57x = 2,105,672,058,252,497
  5. Step 5: Solve for x
    x = 2,105,672,058,252,497/49,472,422.57
  6. Step 6: Final answer
    x = 42,562,541.89

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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.