Home / 165,185,350.71-247,887,185.99-77,771,866.27

Finding the Fourth Proportional to 165,185,350.71, 247,887,185.99 and 77,771,866.27

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Solution

The fourth proportional to 165,185,350.71, 247,887,185.99 and 77,771,866.27 is: 116,709,193.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,185,350.71 : 247,887,185.99 = 77,771,866.27 : x
  2. Step 2: Convert to fraction form
    165,185,350.71/247,887,185.99 = 77,771,866.27/x
  3. Step 3: Cross multiply
    165,185,350.71x = 247,887,185.99 × 77,771,866.27
  4. Step 4: Simplify right side
    165,185,350.71x = 19,278,649,077,834,108
  5. Step 5: Solve for x
    x = 19,278,649,077,834,108/165,185,350.71
  6. Step 6: Final answer
    x = 116,709,193.61

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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.