Home / 117,636,296.80-176,293,018.36-74,428,150.56

Finding the Fourth Proportional to 117,636,296.80, 176,293,018.36 and 74,428,150.56

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Solution

The fourth proportional to 117,636,296.80, 176,293,018.36 and 74,428,150.56 is: 111,540,091.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,636,296.80 : 176,293,018.36 = 74,428,150.56 : x
  2. Step 2: Convert to fraction form
    117,636,296.80/176,293,018.36 = 74,428,150.56/x
  3. Step 3: Cross multiply
    117,636,296.80x = 176,293,018.36 × 74,428,150.56
  4. Step 4: Simplify right side
    117,636,296.80x = 13,121,163,313,174,926
  5. Step 5: Solve for x
    x = 13,121,163,313,174,926/117,636,296.80
  6. Step 6: Final answer
    x = 111,540,091.54

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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.