Home / 66,559,811.08-99,850,444.89-20,501,658.69

Finding the Fourth Proportional to 66,559,811.08, 99,850,444.89 and 20,501,658.69

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Solution

The fourth proportional to 66,559,811.08, 99,850,444.89 and 20,501,658.69 is: 30,755,792.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,559,811.08 : 99,850,444.89 = 20,501,658.69 : x
  2. Step 2: Convert to fraction form
    66,559,811.08/99,850,444.89 = 20,501,658.69/x
  3. Step 3: Cross multiply
    66,559,811.08x = 99,850,444.89 × 20,501,658.69
  4. Step 4: Simplify right side
    66,559,811.08x = 2,047,099,741,179,434.75
  5. Step 5: Solve for x
    x = 2,047,099,741,179,434.75/66,559,811.08
  6. Step 6: Final answer
    x = 30,755,792.54

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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.