Home / 112,512,435.80-168,503,232.90-69,514,266.20

Finding the Fourth Proportional to 112,512,435.80, 168,503,232.90 and 69,514,266.20

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Solution

The fourth proportional to 112,512,435.80, 168,503,232.90 and 69,514,266.20 is: 104,107,412.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,512,435.80 : 168,503,232.90 = 69,514,266.20 : x
  2. Step 2: Convert to fraction form
    112,512,435.80/168,503,232.90 = 69,514,266.20/x
  3. Step 3: Cross multiply
    112,512,435.80x = 168,503,232.90 × 69,514,266.20
  4. Step 4: Simplify right side
    112,512,435.80x = 11,713,378,587,371,198
  5. Step 5: Solve for x
    x = 11,713,378,587,371,198/112,512,435.80
  6. Step 6: Final answer
    x = 104,107,412.70

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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.