Home / 144,874,164.38-199,978,350.23-86,136,689.36

Finding the Fourth Proportional to 144,874,164.38, 199,978,350.23 and 86,136,689.36

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Solution

The fourth proportional to 144,874,164.38, 199,978,350.23 and 86,136,689.36 is: 118,899,550.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,874,164.38 : 199,978,350.23 = 86,136,689.36 : x
  2. Step 2: Convert to fraction form
    144,874,164.38/199,978,350.23 = 86,136,689.36/x
  3. Step 3: Cross multiply
    144,874,164.38x = 199,978,350.23 × 86,136,689.36
  4. Step 4: Simplify right side
    144,874,164.38x = 17,225,473,033,202,080
  5. Step 5: Solve for x
    x = 17,225,473,033,202,080/144,874,164.38
  6. Step 6: Final answer
    x = 118,899,550.57

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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.