Home / 198,651,581-274,137,006.16-109,341,615.72

Finding the Fourth Proportional to 198,651,581, 274,137,006.16 and 109,341,615.72

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Solution

The fourth proportional to 198,651,581, 274,137,006.16 and 109,341,615.72 is: 150,890,232.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,651,581 : 274,137,006.16 = 109,341,615.72 : x
  2. Step 2: Convert to fraction form
    198,651,581/274,137,006.16 = 109,341,615.72/x
  3. Step 3: Cross multiply
    198,651,581x = 274,137,006.16 × 109,341,615.72
  4. Step 4: Simplify right side
    198,651,581x = 29,974,583,182,177,996
  5. Step 5: Solve for x
    x = 29,974,583,182,177,996/198,651,581
  6. Step 6: Final answer
    x = 150,890,232.19

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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.