Home / 76,691,376.23-105,836,710.61-45,356,286.27

Finding the Fourth Proportional to 76,691,376.23, 105,836,710.61 and 45,356,286.27

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Solution

The fourth proportional to 76,691,376.23, 105,836,710.61 and 45,356,286.27 is: 62,593,219.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,691,376.23 : 105,836,710.61 = 45,356,286.27 : x
  2. Step 2: Convert to fraction form
    76,691,376.23/105,836,710.61 = 45,356,286.27/x
  3. Step 3: Cross multiply
    76,691,376.23x = 105,836,710.61 × 45,356,286.27
  4. Step 4: Simplify right side
    76,691,376.23x = 4,800,360,144,075,525
  5. Step 5: Solve for x
    x = 4,800,360,144,075,525/76,691,376.23
  6. Step 6: Final answer
    x = 62,593,219.48

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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.