Home / 121,185,319.56-182,047,020.42-75,161,200.28

Finding the Fourth Proportional to 121,185,319.56, 182,047,020.42 and 75,161,200.28

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Solution

The fourth proportional to 121,185,319.56, 182,047,020.42 and 75,161,200.28 is: 112,908,664.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,185,319.56 : 182,047,020.42 = 75,161,200.28 : x
  2. Step 2: Convert to fraction form
    121,185,319.56/182,047,020.42 = 75,161,200.28/x
  3. Step 3: Cross multiply
    121,185,319.56x = 182,047,020.42 × 75,161,200.28
  4. Step 4: Simplify right side
    121,185,319.56x = 13,682,872,562,164,868
  5. Step 5: Solve for x
    x = 13,682,872,562,164,868/121,185,319.56
  6. Step 6: Final answer
    x = 112,908,664.28

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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.