Home / 89,019,507.45-133,367,833.90-87,082,405.01

Finding the Fourth Proportional to 89,019,507.45, 133,367,833.90 and 87,082,405.01

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Solution

The fourth proportional to 89,019,507.45, 133,367,833.90 and 87,082,405.01 is: 130,465,692.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,019,507.45 : 133,367,833.90 = 87,082,405.01 : x
  2. Step 2: Convert to fraction form
    89,019,507.45/133,367,833.90 = 87,082,405.01/x
  3. Step 3: Cross multiply
    89,019,507.45x = 133,367,833.90 × 87,082,405.01
  4. Step 4: Simplify right side
    89,019,507.45x = 11,613,991,726,986,210
  5. Step 5: Solve for x
    x = 11,613,991,726,986,210/89,019,507.45
  6. Step 6: Final answer
    x = 130,465,692.97

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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.