Home / 112,453,436.80-168,487,402.56-75,496,109.44

Finding the Fourth Proportional to 112,453,436.80, 168,487,402.56 and 75,496,109.44

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Solution

The fourth proportional to 112,453,436.80, 168,487,402.56 and 75,496,109.44 is: 113,114,758.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,453,436.80 : 168,487,402.56 = 75,496,109.44 : x
  2. Step 2: Convert to fraction form
    112,453,436.80/168,487,402.56 = 75,496,109.44/x
  3. Step 3: Cross multiply
    112,453,436.80x = 168,487,402.56 × 75,496,109.44
  4. Step 4: Simplify right side
    112,453,436.80x = 12,720,143,382,931,096
  5. Step 5: Solve for x
    x = 12,720,143,382,931,096/112,453,436.80
  6. Step 6: Final answer
    x = 113,114,758.83

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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.