Home / 85,142,720.80-127,701,639.60-24,552,128.80

Finding the Fourth Proportional to 85,142,720.80, 127,701,639.60 and 24,552,128.80

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Solution

The fourth proportional to 85,142,720.80, 127,701,639.60 and 24,552,128.80 is: 36,824,605.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,142,720.80 : 127,701,639.60 = 24,552,128.80 : x
  2. Step 2: Convert to fraction form
    85,142,720.80/127,701,639.60 = 24,552,128.80/x
  3. Step 3: Cross multiply
    85,142,720.80x = 127,701,639.60 × 24,552,128.80
  4. Step 4: Simplify right side
    85,142,720.80x = 3,135,347,103,430,380.50
  5. Step 5: Solve for x
    x = 3,135,347,103,430,380.50/85,142,720.80
  6. Step 6: Final answer
    x = 36,824,605.49

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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.