Home / 57,940,107.78-79,937,573.72-35,905,567.47

Finding the Fourth Proportional to 57,940,107.78, 79,937,573.72 and 35,905,567.47

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Solution

The fourth proportional to 57,940,107.78, 79,937,573.72 and 35,905,567.47 is: 49,537,428.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,940,107.78 : 79,937,573.72 = 35,905,567.47 : x
  2. Step 2: Convert to fraction form
    57,940,107.78/79,937,573.72 = 35,905,567.47/x
  3. Step 3: Cross multiply
    57,940,107.78x = 79,937,573.72 × 35,905,567.47
  4. Step 4: Simplify right side
    57,940,107.78x = 2,870,203,946,591,559
  5. Step 5: Solve for x
    x = 2,870,203,946,591,559/57,940,107.78
  6. Step 6: Final answer
    x = 49,537,428.50

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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.