Home / 57,240,534.30-78,984,752.31-38,696,013.60

Finding the Fourth Proportional to 57,240,534.30, 78,984,752.31 and 38,696,013.60

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Solution

The fourth proportional to 57,240,534.30, 78,984,752.31 and 38,696,013.60 is: 53,395,641.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,240,534.30 : 78,984,752.31 = 38,696,013.60 : x
  2. Step 2: Convert to fraction form
    57,240,534.30/78,984,752.31 = 38,696,013.60/x
  3. Step 3: Cross multiply
    57,240,534.30x = 78,984,752.31 × 38,696,013.60
  4. Step 4: Simplify right side
    57,240,534.30x = 3,056,395,049,580,391.50
  5. Step 5: Solve for x
    x = 3,056,395,049,580,391.50/57,240,534.30
  6. Step 6: Final answer
    x = 53,395,641.51

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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.