Home / 89,022,235.10-133,533,352.65-80,944,331.90

Finding the Fourth Proportional to 89,022,235.10, 133,533,352.65 and 80,944,331.90

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Solution

The fourth proportional to 89,022,235.10, 133,533,352.65 and 80,944,331.90 is: 121,416,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,022,235.10 : 133,533,352.65 = 80,944,331.90 : x
  2. Step 2: Convert to fraction form
    89,022,235.10/133,533,352.65 = 80,944,331.90/x
  3. Step 3: Cross multiply
    89,022,235.10x = 133,533,352.65 × 80,944,331.90
  4. Step 4: Simplify right side
    89,022,235.10x = 10,808,768,016,621,346
  5. Step 5: Solve for x
    x = 10,808,768,016,621,346/89,022,235.10
  6. Step 6: Final answer
    x = 121,416,497.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.