Home / 188,130,991.74-282,199,324.22-65,313,209.28

Finding the Fourth Proportional to 188,130,991.74, 282,199,324.22 and 65,313,209.28

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Solution

The fourth proportional to 188,130,991.74, 282,199,324.22 and 65,313,209.28 is: 97,970,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,130,991.74 : 282,199,324.22 = 65,313,209.28 : x
  2. Step 2: Convert to fraction form
    188,130,991.74/282,199,324.22 = 65,313,209.28/x
  3. Step 3: Cross multiply
    188,130,991.74x = 282,199,324.22 × 65,313,209.28
  4. Step 4: Simplify right side
    188,130,991.74x = 18,431,343,521,128,864
  5. Step 5: Solve for x
    x = 18,431,343,521,128,864/188,130,991.74
  6. Step 6: Final answer
    x = 97,970,798.70

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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.