Home / 114,467,881.32-170,926,468.52-90,859,759.43

Finding the Fourth Proportional to 114,467,881.32, 170,926,468.52 and 90,859,759.43

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Solution

The fourth proportional to 114,467,881.32, 170,926,468.52 and 90,859,759.43 is: 135,674,196.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,467,881.32 : 170,926,468.52 = 90,859,759.43 : x
  2. Step 2: Convert to fraction form
    114,467,881.32/170,926,468.52 = 90,859,759.43/x
  3. Step 3: Cross multiply
    114,467,881.32x = 170,926,468.52 × 90,859,759.43
  4. Step 4: Simplify right side
    114,467,881.32x = 15,530,337,808,637,736
  5. Step 5: Solve for x
    x = 15,530,337,808,637,736/114,467,881.32
  6. Step 6: Final answer
    x = 135,674,196.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.