Home / 82,738,446.83-114,187,121.54-61,794,117.82

Finding the Fourth Proportional to 82,738,446.83, 114,187,121.54 and 61,794,117.82

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Solution

The fourth proportional to 82,738,446.83, 114,187,121.54 and 61,794,117.82 is: 85,281,905.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,738,446.83 : 114,187,121.54 = 61,794,117.82 : x
  2. Step 2: Convert to fraction form
    82,738,446.83/114,187,121.54 = 61,794,117.82/x
  3. Step 3: Cross multiply
    82,738,446.83x = 114,187,121.54 × 61,794,117.82
  4. Step 4: Simplify right side
    82,738,446.83x = 7,056,092,441,398,484
  5. Step 5: Solve for x
    x = 7,056,092,441,398,484/82,738,446.83
  6. Step 6: Final answer
    x = 85,281,905.96

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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.