Home / 57,464,581.28-79,302,806.55-31,360,777.47

Finding the Fourth Proportional to 57,464,581.28, 79,302,806.55 and 31,360,777.47

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Solution

The fourth proportional to 57,464,581.28, 79,302,806.55 and 31,360,777.47 is: 43,278,792.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,464,581.28 : 79,302,806.55 = 31,360,777.47 : x
  2. Step 2: Convert to fraction form
    57,464,581.28/79,302,806.55 = 31,360,777.47/x
  3. Step 3: Cross multiply
    57,464,581.28x = 79,302,806.55 × 31,360,777.47
  4. Step 4: Simplify right side
    57,464,581.28x = 2,486,997,668,961,008
  5. Step 5: Solve for x
    x = 2,486,997,668,961,008/57,464,581.28
  6. Step 6: Final answer
    x = 43,278,792.15

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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.