Home / 121,118,059.80-181,460,576.70-73,708,273.80

Finding the Fourth Proportional to 121,118,059.80, 181,460,576.70 and 73,708,273.80

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Solution

The fourth proportional to 121,118,059.80, 181,460,576.70 and 73,708,273.80 is: 110,430,648.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,118,059.80 : 181,460,576.70 = 73,708,273.80 : x
  2. Step 2: Convert to fraction form
    121,118,059.80/181,460,576.70 = 73,708,273.80/x
  3. Step 3: Cross multiply
    121,118,059.80x = 181,460,576.70 × 73,708,273.80
  4. Step 4: Simplify right side
    121,118,059.80x = 13,375,145,871,309,500
  5. Step 5: Solve for x
    x = 13,375,145,871,309,500/121,118,059.80
  6. Step 6: Final answer
    x = 110,430,648.36

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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.