Home / 104,782,684.12-143,552,797.60-100,855,482.76

Finding the Fourth Proportional to 104,782,684.12, 143,552,797.60 and 100,855,482.76

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Solution

The fourth proportional to 104,782,684.12, 143,552,797.60 and 100,855,482.76 is: 138,172,512.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,782,684.12 : 143,552,797.60 = 100,855,482.76 : x
  2. Step 2: Convert to fraction form
    104,782,684.12/143,552,797.60 = 100,855,482.76/x
  3. Step 3: Cross multiply
    104,782,684.12x = 143,552,797.60 × 100,855,482.76
  4. Step 4: Simplify right side
    104,782,684.12x = 14,478,086,703,496,570
  5. Step 5: Solve for x
    x = 14,478,086,703,496,570/104,782,684.12
  6. Step 6: Final answer
    x = 138,172,512.23

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.