Home / 82,369,038.81-113,722,520.63-51,040,331.85

Finding the Fourth Proportional to 82,369,038.81, 113,722,520.63 and 51,040,331.85

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Solution

The fourth proportional to 82,369,038.81, 113,722,520.63 and 51,040,331.85 is: 70,468,652.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,369,038.81 : 113,722,520.63 = 51,040,331.85 : x
  2. Step 2: Convert to fraction form
    82,369,038.81/113,722,520.63 = 51,040,331.85/x
  3. Step 3: Cross multiply
    82,369,038.81x = 113,722,520.63 × 51,040,331.85
  4. Step 4: Simplify right side
    82,369,038.81x = 5,804,435,191,518,470
  5. Step 5: Solve for x
    x = 5,804,435,191,518,470/82,369,038.81
  6. Step 6: Final answer
    x = 70,468,652.73

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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.