Home / 85,001,905.28-117,293,584.86-47,831,537.80

Finding the Fourth Proportional to 85,001,905.28, 117,293,584.86 and 47,831,537.80

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Solution

The fourth proportional to 85,001,905.28, 117,293,584.86 and 47,831,537.80 is: 66,002,432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,001,905.28 : 117,293,584.86 = 47,831,537.80 : x
  2. Step 2: Convert to fraction form
    85,001,905.28/117,293,584.86 = 47,831,537.80/x
  3. Step 3: Cross multiply
    85,001,905.28x = 117,293,584.86 × 47,831,537.80
  4. Step 4: Simplify right side
    85,001,905.28x = 5,610,332,537,928,597
  5. Step 5: Solve for x
    x = 5,610,332,537,928,597/85,001,905.28
  6. Step 6: Final answer
    x = 66,002,432.77

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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.