Home / 112,274,955.39-154,939,678.56-63,382,383.39

Finding the Fourth Proportional to 112,274,955.39, 154,939,678.56 and 63,382,383.39

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Solution

The fourth proportional to 112,274,955.39, 154,939,678.56 and 63,382,383.39 is: 87,467,824.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,274,955.39 : 154,939,678.56 = 63,382,383.39 : x
  2. Step 2: Convert to fraction form
    112,274,955.39/154,939,678.56 = 63,382,383.39/x
  3. Step 3: Cross multiply
    112,274,955.39x = 154,939,678.56 × 63,382,383.39
  4. Step 4: Simplify right side
    112,274,955.39x = 9,820,446,108,813,284
  5. Step 5: Solve for x
    x = 9,820,446,108,813,284/112,274,955.39
  6. Step 6: Final answer
    x = 87,467,824.63

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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.