Home / 90,217,905.54-124,500,829.78-48,964,797.91

Finding the Fourth Proportional to 90,217,905.54, 124,500,829.78 and 48,964,797.91

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Solution

The fourth proportional to 90,217,905.54, 124,500,829.78 and 48,964,797.91 is: 67,571,486.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,217,905.54 : 124,500,829.78 = 48,964,797.91 : x
  2. Step 2: Convert to fraction form
    90,217,905.54/124,500,829.78 = 48,964,797.91/x
  3. Step 3: Cross multiply
    90,217,905.54x = 124,500,829.78 × 48,964,797.91
  4. Step 4: Simplify right side
    90,217,905.54x = 6,096,157,969,805,009
  5. Step 5: Solve for x
    x = 6,096,157,969,805,009/90,217,905.54
  6. Step 6: Final answer
    x = 67,571,486.32

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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.