Home / 116,689,385.56-161,040,535.50-66,455,724.24

Finding the Fourth Proportional to 116,689,385.56, 161,040,535.50 and 66,455,724.24

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Solution

The fourth proportional to 116,689,385.56, 161,040,535.50 and 66,455,724.24 is: 91,714,129.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,689,385.56 : 161,040,535.50 = 66,455,724.24 : x
  2. Step 2: Convert to fraction form
    116,689,385.56/161,040,535.50 = 66,455,724.24/x
  3. Step 3: Cross multiply
    116,689,385.56x = 161,040,535.50 × 66,455,724.24
  4. Step 4: Simplify right side
    116,689,385.56x = 10,702,065,418,649,930
  5. Step 5: Solve for x
    x = 10,702,065,418,649,930/116,689,385.56
  6. Step 6: Final answer
    x = 91,714,129.50

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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.