Home / 188,128,672.65-282,083,177.84-72,978,661.17

Finding the Fourth Proportional to 188,128,672.65, 282,083,177.84 and 72,978,661.17

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Solution

The fourth proportional to 188,128,672.65, 282,083,177.84 and 72,978,661.17 is: 109,425,386.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,128,672.65 : 282,083,177.84 = 72,978,661.17 : x
  2. Step 2: Convert to fraction form
    188,128,672.65/282,083,177.84 = 72,978,661.17/x
  3. Step 3: Cross multiply
    188,128,672.65x = 282,083,177.84 × 72,978,661.17
  4. Step 4: Simplify right side
    188,128,672.65x = 20,586,052,656,977,320
  5. Step 5: Solve for x
    x = 20,586,052,656,977,320/188,128,672.65
  6. Step 6: Final answer
    x = 109,425,386.18

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