Home / 201,552,910.36-278,125,284.08-112,238,105.52

Finding the Fourth Proportional to 201,552,910.36, 278,125,284.08 and 112,238,105.52

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Solution

The fourth proportional to 201,552,910.36, 278,125,284.08 and 112,238,105.52 is: 154,878,711.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,552,910.36 : 278,125,284.08 = 112,238,105.52 : x
  2. Step 2: Convert to fraction form
    201,552,910.36/278,125,284.08 = 112,238,105.52/x
  3. Step 3: Cross multiply
    201,552,910.36x = 278,125,284.08 × 112,238,105.52
  4. Step 4: Simplify right side
    201,552,910.36x = 31,216,254,982,351,012
  5. Step 5: Solve for x
    x = 31,216,254,982,351,012/201,552,910.36
  6. Step 6: Final answer
    x = 154,878,711.14

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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.