Home / 121,259,222.66-167,337,562.07-69,048,258.18

Finding the Fourth Proportional to 121,259,222.66, 167,337,562.07 and 69,048,258.18

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Solution

The fourth proportional to 121,259,222.66, 167,337,562.07 and 69,048,258.18 is: 95,286,502.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,259,222.66 : 167,337,562.07 = 69,048,258.18 : x
  2. Step 2: Convert to fraction form
    121,259,222.66/167,337,562.07 = 69,048,258.18/x
  3. Step 3: Cross multiply
    121,259,222.66x = 167,337,562.07 × 69,048,258.18
  4. Step 4: Simplify right side
    121,259,222.66x = 11,554,367,188,675,894
  5. Step 5: Solve for x
    x = 11,554,367,188,675,894/121,259,222.66
  6. Step 6: Final answer
    x = 95,286,502.22

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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.