Home / 127,568,782.56-191,197,716.36-66,124,066.24

Finding the Fourth Proportional to 127,568,782.56, 191,197,716.36 and 66,124,066.24

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Solution

The fourth proportional to 127,568,782.56, 191,197,716.36 and 66,124,066.24 is: 99,105,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,568,782.56 : 191,197,716.36 = 66,124,066.24 : x
  2. Step 2: Convert to fraction form
    127,568,782.56/191,197,716.36 = 66,124,066.24/x
  3. Step 3: Cross multiply
    127,568,782.56x = 191,197,716.36 × 66,124,066.24
  4. Step 4: Simplify right side
    127,568,782.56x = 12,642,770,461,525,374
  5. Step 5: Solve for x
    x = 12,642,770,461,525,374/127,568,782.56
  6. Step 6: Final answer
    x = 99,105,519.45

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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.