Home / 63,667,670.40-95,501,505.60-20,538,280.80

Finding the Fourth Proportional to 63,667,670.40, 95,501,505.60 and 20,538,280.80

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Solution

The fourth proportional to 63,667,670.40, 95,501,505.60 and 20,538,280.80 is: 30,807,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,667,670.40 : 95,501,505.60 = 20,538,280.80 : x
  2. Step 2: Convert to fraction form
    63,667,670.40/95,501,505.60 = 20,538,280.80/x
  3. Step 3: Cross multiply
    63,667,670.40x = 95,501,505.60 × 20,538,280.80
  4. Step 4: Simplify right side
    63,667,670.40x = 1,961,436,738,835,572.50
  5. Step 5: Solve for x
    x = 1,961,436,738,835,572.50/63,667,670.40
  6. Step 6: Final answer
    x = 30,807,421.20

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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.