Home / 85,149,712.60-127,724,568.90-58,275,856.60

Finding the Fourth Proportional to 85,149,712.60, 127,724,568.90 and 58,275,856.60

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Solution

The fourth proportional to 85,149,712.60, 127,724,568.90 and 58,275,856.60 is: 87,413,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,149,712.60 : 127,724,568.90 = 58,275,856.60 : x
  2. Step 2: Convert to fraction form
    85,149,712.60/127,724,568.90 = 58,275,856.60/x
  3. Step 3: Cross multiply
    85,149,712.60x = 127,724,568.90 × 58,275,856.60
  4. Step 4: Simplify right side
    85,149,712.60x = 7,443,258,661,513,220
  5. Step 5: Solve for x
    x = 7,443,258,661,513,220/85,149,712.60
  6. Step 6: Final answer
    x = 87,413,784.90

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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.