Home / 81,228,325.48-112,096,609.95-49,850,646.74

Finding the Fourth Proportional to 81,228,325.48, 112,096,609.95 and 49,850,646.74

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Solution

The fourth proportional to 81,228,325.48, 112,096,609.95 and 49,850,646.74 is: 68,794,825.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,228,325.48 : 112,096,609.95 = 49,850,646.74 : x
  2. Step 2: Convert to fraction form
    81,228,325.48/112,096,609.95 = 49,850,646.74/x
  3. Step 3: Cross multiply
    81,228,325.48x = 112,096,609.95 × 49,850,646.74
  4. Step 4: Simplify right side
    81,228,325.48x = 5,588,088,503,369,019
  5. Step 5: Solve for x
    x = 5,588,088,503,369,019/81,228,325.48
  6. Step 6: Final answer
    x = 68,794,825.82

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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.