Home / 112,222,019.42-168,184,215.75-57,632,399.90

Finding the Fourth Proportional to 112,222,019.42, 168,184,215.75 and 57,632,399.90

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Solution

The fourth proportional to 112,222,019.42, 168,184,215.75 and 57,632,399.90 is: 86,372,175.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,222,019.42 : 168,184,215.75 = 57,632,399.90 : x
  2. Step 2: Convert to fraction form
    112,222,019.42/168,184,215.75 = 57,632,399.90/x
  3. Step 3: Cross multiply
    112,222,019.42x = 168,184,215.75 × 57,632,399.90
  4. Step 4: Simplify right side
    112,222,019.42x = 9,692,859,978,971,878
  5. Step 5: Solve for x
    x = 9,692,859,978,971,878/112,222,019.42
  6. Step 6: Final answer
    x = 86,372,175.70

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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.