Home / 53,805,910.42-74,253,948.69-29,360,965.78

Finding the Fourth Proportional to 53,805,910.42, 74,253,948.69 and 29,360,965.78

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Solution

The fourth proportional to 53,805,910.42, 74,253,948.69 and 29,360,965.78 is: 40,519,110.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,805,910.42 : 74,253,948.69 = 29,360,965.78 : x
  2. Step 2: Convert to fraction form
    53,805,910.42/74,253,948.69 = 29,360,965.78/x
  3. Step 3: Cross multiply
    53,805,910.42x = 74,253,948.69 × 29,360,965.78
  4. Step 4: Simplify right side
    53,805,910.42x = 2,180,167,646,516,965.75
  5. Step 5: Solve for x
    x = 2,180,167,646,516,965.75/53,805,910.42
  6. Step 6: Final answer
    x = 40,519,110.81

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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.