Home / 89,945,801.40-124,125,247.44-48,692,693.76

Finding the Fourth Proportional to 89,945,801.40, 124,125,247.44 and 48,692,693.76

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Solution

The fourth proportional to 89,945,801.40, 124,125,247.44 and 48,692,693.76 is: 67,195,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,945,801.40 : 124,125,247.44 = 48,692,693.76 : x
  2. Step 2: Convert to fraction form
    89,945,801.40/124,125,247.44 = 48,692,693.76/x
  3. Step 3: Cross multiply
    89,945,801.40x = 124,125,247.44 × 48,692,693.76
  4. Step 4: Simplify right side
    89,945,801.40x = 6,043,992,661,480,144
  5. Step 5: Solve for x
    x = 6,043,992,661,480,144/89,945,801.40
  6. Step 6: Final answer
    x = 67,195,939.86

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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.