Home / 130,859,832.11-180,584,222.31-71,321,662.17

Finding the Fourth Proportional to 130,859,832.11, 180,584,222.31 and 71,321,662.17

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Solution

The fourth proportional to 130,859,832.11, 180,584,222.31 and 71,321,662.17 is: 98,422,615.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,859,832.11 : 180,584,222.31 = 71,321,662.17 : x
  2. Step 2: Convert to fraction form
    130,859,832.11/180,584,222.31 = 71,321,662.17/x
  3. Step 3: Cross multiply
    130,859,832.11x = 180,584,222.31 × 71,321,662.17
  4. Step 4: Simplify right side
    130,859,832.11x = 12,879,566,896,825,998
  5. Step 5: Solve for x
    x = 12,879,566,896,825,998/130,859,832.11
  6. Step 6: Final answer
    x = 98,422,615.17

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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.