Home / 91,724,321.10-126,575,767.98-49,908,558.54

Finding the Fourth Proportional to 91,724,321.10, 126,575,767.98 and 49,908,558.54

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Solution

The fourth proportional to 91,724,321.10, 126,575,767.98 and 49,908,558.54 is: 68,871,745.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,724,321.10 : 126,575,767.98 = 49,908,558.54 : x
  2. Step 2: Convert to fraction form
    91,724,321.10/126,575,767.98 = 49,908,558.54/x
  3. Step 3: Cross multiply
    91,724,321.10x = 126,575,767.98 × 49,908,558.54
  4. Step 4: Simplify right side
    91,724,321.10x = 6,317,214,125,975,288
  5. Step 5: Solve for x
    x = 6,317,214,125,975,288/91,724,321.10
  6. Step 6: Final answer
    x = 68,871,745.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.