Home / 160,111,610.42-240,120,301.64-72,622,512.50

Finding the Fourth Proportional to 160,111,610.42, 240,120,301.64 and 72,622,512.50

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Solution

The fourth proportional to 160,111,610.42, 240,120,301.64 and 72,622,512.50 is: 108,912,399.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,111,610.42 : 240,120,301.64 = 72,622,512.50 : x
  2. Step 2: Convert to fraction form
    160,111,610.42/240,120,301.64 = 72,622,512.50/x
  3. Step 3: Cross multiply
    160,111,610.42x = 240,120,301.64 × 72,622,512.50
  4. Step 4: Simplify right side
    160,111,610.42x = 17,438,139,605,790,956
  5. Step 5: Solve for x
    x = 17,438,139,605,790,956/160,111,610.42
  6. Step 6: Final answer
    x = 108,912,399.05

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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.