Home / 89,022,241.60-133,533,362.40-80,944,338.40

Finding the Fourth Proportional to 89,022,241.60, 133,533,362.40 and 80,944,338.40

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Solution

The fourth proportional to 89,022,241.60, 133,533,362.40 and 80,944,338.40 is: 121,416,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,022,241.60 : 133,533,362.40 = 80,944,338.40 : x
  2. Step 2: Convert to fraction form
    89,022,241.60/133,533,362.40 = 80,944,338.40/x
  3. Step 3: Cross multiply
    89,022,241.60x = 133,533,362.40 × 80,944,338.40
  4. Step 4: Simplify right side
    89,022,241.60x = 10,808,769,673,795,438
  5. Step 5: Solve for x
    x = 10,808,769,673,795,438/89,022,241.60
  6. Step 6: Final answer
    x = 121,416,507.60

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1.5x scale

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.