Home / 216,116,628.41-324,304,051.02-198,533,576.82

Finding the Fourth Proportional to 216,116,628.41, 324,304,051.02 and 198,533,576.82

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Solution

The fourth proportional to 216,116,628.41, 324,304,051.02 and 198,533,576.82 is: 297,918,969.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,116,628.41 : 324,304,051.02 = 198,533,576.82 : x
  2. Step 2: Convert to fraction form
    216,116,628.41/324,304,051.02 = 198,533,576.82/x
  3. Step 3: Cross multiply
    216,116,628.41x = 324,304,051.02 × 198,533,576.82
  4. Step 4: Simplify right side
    216,116,628.41x = 64,385,243,224,865,416
  5. Step 5: Solve for x
    x = 64,385,243,224,865,416/216,116,628.41
  6. Step 6: Final answer
    x = 297,918,969.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.