Home / 80,708,078.84-111,349,384.83-48,928,497.53

Finding the Fourth Proportional to 80,708,078.84, 111,349,384.83 and 48,928,497.53

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Solution

The fourth proportional to 80,708,078.84, 111,349,384.83 and 48,928,497.53 is: 67,504,494.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,708,078.84 : 111,349,384.83 = 48,928,497.53 : x
  2. Step 2: Convert to fraction form
    80,708,078.84/111,349,384.83 = 48,928,497.53/x
  3. Step 3: Cross multiply
    80,708,078.84x = 111,349,384.83 × 48,928,497.53
  4. Step 4: Simplify right side
    80,708,078.84x = 5,448,158,100,064,927
  5. Step 5: Solve for x
    x = 5,448,158,100,064,927/80,708,078.84
  6. Step 6: Final answer
    x = 67,504,494.95

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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.