Home / 99,667,719.40-149,501,579.10-98,324,026.60

Finding the Fourth Proportional to 99,667,719.40, 149,501,579.10 and 98,324,026.60

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Solution

The fourth proportional to 99,667,719.40, 149,501,579.10 and 98,324,026.60 is: 147,486,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,667,719.40 : 149,501,579.10 = 98,324,026.60 : x
  2. Step 2: Convert to fraction form
    99,667,719.40/149,501,579.10 = 98,324,026.60/x
  3. Step 3: Cross multiply
    99,667,719.40x = 149,501,579.10 × 98,324,026.60
  4. Step 4: Simplify right side
    99,667,719.40x = 14,699,597,240,170,402
  5. Step 5: Solve for x
    x = 14,699,597,240,170,402/99,667,719.40
  6. Step 6: Final answer
    x = 147,486,039.90

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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.