Home / 89,912,087.87-124,078,679.69-48,658,980.24

Finding the Fourth Proportional to 89,912,087.87, 124,078,679.69 and 48,658,980.24

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Solution

The fourth proportional to 89,912,087.87, 124,078,679.69 and 48,658,980.24 is: 67,149,391.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,912,087.87 : 124,078,679.69 = 48,658,980.24 : x
  2. Step 2: Convert to fraction form
    89,912,087.87/124,078,679.69 = 48,658,980.24/x
  3. Step 3: Cross multiply
    89,912,087.87x = 124,078,679.69 × 48,658,980.24
  4. Step 4: Simplify right side
    89,912,087.87x = 6,037,542,022,997,705
  5. Step 5: Solve for x
    x = 6,037,542,022,997,705/89,912,087.87
  6. Step 6: Final answer
    x = 67,149,391.88

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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.