Home / 121,600,854.62-167,821,159.53-69,397,747.82

Finding the Fourth Proportional to 121,600,854.62, 167,821,159.53 and 69,397,747.82

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Solution

The fourth proportional to 121,600,854.62, 167,821,159.53 and 69,397,747.82 is: 95,775,729.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,600,854.62 : 167,821,159.53 = 69,397,747.82 : x
  2. Step 2: Convert to fraction form
    121,600,854.62/167,821,159.53 = 69,397,747.82/x
  3. Step 3: Cross multiply
    121,600,854.62x = 167,821,159.53 × 69,397,747.82
  4. Step 4: Simplify right side
    121,600,854.62x = 11,646,410,507,922,928
  5. Step 5: Solve for x
    x = 11,646,410,507,922,928/121,600,854.62
  6. Step 6: Final answer
    x = 95,775,729.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.