Home / 57,538,358.71-79,404,105.53-31,434,567.28

Finding the Fourth Proportional to 57,538,358.71, 79,404,105.53 and 31,434,567.28

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Solution

The fourth proportional to 57,538,358.71, 79,404,105.53 and 31,434,567.28 is: 43,380,342.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,538,358.71 : 79,404,105.53 = 31,434,567.28 : x
  2. Step 2: Convert to fraction form
    57,538,358.71/79,404,105.53 = 31,434,567.28/x
  3. Step 3: Cross multiply
    57,538,358.71x = 79,404,105.53 × 31,434,567.28
  4. Step 4: Simplify right side
    57,538,358.71x = 2,496,033,697,471,081
  5. Step 5: Solve for x
    x = 2,496,033,697,471,081/57,538,358.71
  6. Step 6: Final answer
    x = 43,380,342.32

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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.