Home / 103,731,422.72-155,603,769.60-39,906,014.72

Finding the Fourth Proportional to 103,731,422.72, 155,603,769.60 and 39,906,014.72

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Solution

The fourth proportional to 103,731,422.72, 155,603,769.60 and 39,906,014.72 is: 59,861,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,731,422.72 : 155,603,769.60 = 39,906,014.72 : x
  2. Step 2: Convert to fraction form
    103,731,422.72/155,603,769.60 = 39,906,014.72/x
  3. Step 3: Cross multiply
    103,731,422.72x = 155,603,769.60 × 39,906,014.72
  4. Step 4: Simplify right side
    103,731,422.72x = 6,209,526,320,145,088
  5. Step 5: Solve for x
    x = 6,209,526,320,145,088/103,731,422.72
  6. Step 6: Final answer
    x = 59,861,574.80

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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.