Home / 57,435,066.78-79,260,898.01-31,329,700.71

Finding the Fourth Proportional to 57,435,066.78, 79,260,898.01 and 31,329,700.71

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Solution

The fourth proportional to 57,435,066.78, 79,260,898.01 and 31,329,700.71 is: 43,235,262.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,435,066.78 : 79,260,898.01 = 31,329,700.71 : x
  2. Step 2: Convert to fraction form
    57,435,066.78/79,260,898.01 = 31,329,700.71/x
  3. Step 3: Cross multiply
    57,435,066.78x = 79,260,898.01 × 31,329,700.71
  4. Step 4: Simplify right side
    57,435,066.78x = 2,483,220,212,659,135
  5. Step 5: Solve for x
    x = 2,483,220,212,659,135/57,435,066.78
  6. Step 6: Final answer
    x = 43,235,262.91

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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.