Home / 57,551,401.20-79,418,570.28-31,446,815.12

Finding the Fourth Proportional to 57,551,401.20, 79,418,570.28 and 31,446,815.12

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Solution

The fourth proportional to 57,551,401.20, 79,418,570.28 and 31,446,815.12 is: 43,395,313.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,551,401.20 : 79,418,570.28 = 31,446,815.12 : x
  2. Step 2: Convert to fraction form
    57,551,401.20/79,418,570.28 = 31,446,815.12/x
  3. Step 3: Cross multiply
    57,551,401.20x = 79,418,570.28 × 31,446,815.12
  4. Step 4: Simplify right side
    57,551,401.20x = 2,497,461,096,689,887
  5. Step 5: Solve for x
    x = 2,497,461,096,689,887/57,551,401.20
  6. Step 6: Final answer
    x = 43,395,313.49

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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.