Home / 121,184,289.36-182,045,476.06-75,160,170.16

Finding the Fourth Proportional to 121,184,289.36, 182,045,476.06 and 75,160,170.16

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Solution

The fourth proportional to 121,184,289.36, 182,045,476.06 and 75,160,170.16 is: 112,907,118.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,184,289.36 : 182,045,476.06 = 75,160,170.16 : x
  2. Step 2: Convert to fraction form
    121,184,289.36/182,045,476.06 = 75,160,170.16/x
  3. Step 3: Cross multiply
    121,184,289.36x = 182,045,476.06 × 75,160,170.16
  4. Step 4: Simplify right side
    121,184,289.36x = 13,682,568,956,884,792
  5. Step 5: Solve for x
    x = 13,682,568,956,884,792/121,184,289.36
  6. Step 6: Final answer
    x = 112,907,118.81

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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.