Home / 112,509,008.80-168,511,570.80-67,159,376.80

Finding the Fourth Proportional to 112,509,008.80, 168,511,570.80 and 67,159,376.80

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Solution

The fourth proportional to 112,509,008.80, 168,511,570.80 and 67,159,376.80 is: 100,588,674.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,509,008.80 : 168,511,570.80 = 67,159,376.80 : x
  2. Step 2: Convert to fraction form
    112,509,008.80/168,511,570.80 = 67,159,376.80/x
  3. Step 3: Cross multiply
    112,509,008.80x = 168,511,570.80 × 67,159,376.80
  4. Step 4: Simplify right side
    112,509,008.80x = 11,317,132,078,517,078
  5. Step 5: Solve for x
    x = 11,317,132,078,517,078/112,509,008.80
  6. Step 6: Final answer
    x = 100,588,674.62

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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.