Home / 99,653,111.70-149,479,667.55-45,905,399.70

Finding the Fourth Proportional to 99,653,111.70, 149,479,667.55 and 45,905,399.70

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Solution

The fourth proportional to 99,653,111.70, 149,479,667.55 and 45,905,399.70 is: 68,858,099.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,653,111.70 : 149,479,667.55 = 45,905,399.70 : x
  2. Step 2: Convert to fraction form
    99,653,111.70/149,479,667.55 = 45,905,399.70/x
  3. Step 3: Cross multiply
    99,653,111.70x = 149,479,667.55 × 45,905,399.70
  4. Step 4: Simplify right side
    99,653,111.70x = 6,861,923,885,905,871
  5. Step 5: Solve for x
    x = 6,861,923,885,905,871/99,653,111.70
  6. Step 6: Final answer
    x = 68,858,099.55

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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.