Home / 121,606,419.06-167,828,860.72-69,403,264.86

Finding the Fourth Proportional to 121,606,419.06, 167,828,860.72 and 69,403,264.86

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Solution

The fourth proportional to 121,606,419.06, 167,828,860.72 and 69,403,264.86 is: 95,783,355.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,606,419.06 : 167,828,860.72 = 69,403,264.86 : x
  2. Step 2: Convert to fraction form
    121,606,419.06/167,828,860.72 = 69,403,264.86/x
  3. Step 3: Cross multiply
    121,606,419.06x = 167,828,860.72 × 69,403,264.86
  4. Step 4: Simplify right side
    121,606,419.06x = 11,647,870,871,702,210
  5. Step 5: Solve for x
    x = 11,647,870,871,702,210/121,606,419.06
  6. Step 6: Final answer
    x = 95,783,355.53

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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.