Home / 57,240,532.80-78,984,750.24-38,696,012.10

Finding the Fourth Proportional to 57,240,532.80, 78,984,750.24 and 38,696,012.10

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Solution

The fourth proportional to 57,240,532.80, 78,984,750.24 and 38,696,012.10 is: 53,395,639.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,240,532.80 : 78,984,750.24 = 38,696,012.10 : x
  2. Step 2: Convert to fraction form
    57,240,532.80/78,984,750.24 = 38,696,012.10/x
  3. Step 3: Cross multiply
    57,240,532.80x = 78,984,750.24 × 38,696,012.10
  4. Step 4: Simplify right side
    57,240,532.80x = 3,056,394,851,002,518
  5. Step 5: Solve for x
    x = 3,056,394,851,002,518/57,240,532.80
  6. Step 6: Final answer
    x = 53,395,639.44

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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.