Home / 101,315,586.60-139,815,629.10-54,905,840.28

Finding the Fourth Proportional to 101,315,586.60, 139,815,629.10 and 54,905,840.28

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Solution

The fourth proportional to 101,315,586.60, 139,815,629.10 and 54,905,840.28 is: 75,770,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,315,586.60 : 139,815,629.10 = 54,905,840.28 : x
  2. Step 2: Convert to fraction form
    101,315,586.60/139,815,629.10 = 54,905,840.28/x
  3. Step 3: Cross multiply
    101,315,586.60x = 139,815,629.10 × 54,905,840.28
  4. Step 4: Simplify right side
    101,315,586.60x = 7,676,694,600,012,320
  5. Step 5: Solve for x
    x = 7,676,694,600,012,320/101,315,586.60
  6. Step 6: Final answer
    x = 75,770,124.40

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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.