Home / 216,112,123.81-298,234,823.10-116,992,868.81

Finding the Fourth Proportional to 216,112,123.81, 298,234,823.10 and 116,992,868.81

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Solution

The fourth proportional to 216,112,123.81, 298,234,823.10 and 116,992,868.81 is: 161,450,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,112,123.81 : 298,234,823.10 = 116,992,868.81 : x
  2. Step 2: Convert to fraction form
    216,112,123.81/298,234,823.10 = 116,992,868.81/x
  3. Step 3: Cross multiply
    216,112,123.81x = 298,234,823.10 × 116,992,868.81
  4. Step 4: Simplify right side
    216,112,123.81x = 34,891,347,531,580,792
  5. Step 5: Solve for x
    x = 34,891,347,531,580,792/216,112,123.81
  6. Step 6: Final answer
    x = 161,450,208.88

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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.