Home / 115,487,650.83-159,333,723.36-65,892,395.73

Finding the Fourth Proportional to 115,487,650.83, 159,333,723.36 and 65,892,395.73

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Solution

The fourth proportional to 115,487,650.83, 159,333,723.36 and 65,892,395.73 is: 90,909,120.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,487,650.83 : 159,333,723.36 = 65,892,395.73 : x
  2. Step 2: Convert to fraction form
    115,487,650.83/159,333,723.36 = 65,892,395.73/x
  3. Step 3: Cross multiply
    115,487,650.83x = 159,333,723.36 × 65,892,395.73
  4. Step 4: Simplify right side
    115,487,650.83x = 10,498,880,752,472,716
  5. Step 5: Solve for x
    x = 10,498,880,752,472,716/115,487,650.83
  6. Step 6: Final answer
    x = 90,909,120.39

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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.