Home / 87,164,774.38-120,295,884.95-65,099,966.82

Finding the Fourth Proportional to 87,164,774.38, 120,295,884.95 and 65,099,966.82

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Solution

The fourth proportional to 87,164,774.38, 120,295,884.95 and 65,099,966.82 is: 89,844,299.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,164,774.38 : 120,295,884.95 = 65,099,966.82 : x
  2. Step 2: Convert to fraction form
    87,164,774.38/120,295,884.95 = 65,099,966.82/x
  3. Step 3: Cross multiply
    87,164,774.38x = 120,295,884.95 × 65,099,966.82
  4. Step 4: Simplify right side
    87,164,774.38x = 7,831,258,118,827,538
  5. Step 5: Solve for x
    x = 7,831,258,118,827,538/87,164,774.38
  6. Step 6: Final answer
    x = 89,844,299.77

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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.