Home / 57,492,235.89-79,340,489.01-31,387,853.97

Finding the Fourth Proportional to 57,492,235.89, 79,340,489.01 and 31,387,853.97

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Solution

The fourth proportional to 57,492,235.89, 79,340,489.01 and 31,387,853.97 is: 43,315,895.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,492,235.89 : 79,340,489.01 = 31,387,853.97 : x
  2. Step 2: Convert to fraction form
    57,492,235.89/79,340,489.01 = 31,387,853.97/x
  3. Step 3: Cross multiply
    57,492,235.89x = 79,340,489.01 × 31,387,853.97
  4. Step 4: Simplify right side
    57,492,235.89x = 2,490,327,682,954,270
  5. Step 5: Solve for x
    x = 2,490,327,682,954,270/57,492,235.89
  6. Step 6: Final answer
    x = 43,315,895.52

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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.