Home / 64,782,108.70-89,399,904.86-36,904,405.74

Finding the Fourth Proportional to 64,782,108.70, 89,399,904.86 and 36,904,405.74

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Solution

The fourth proportional to 64,782,108.70, 89,399,904.86 and 36,904,405.74 is: 50,928,418.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,782,108.70 : 89,399,904.86 = 36,904,405.74 : x
  2. Step 2: Convert to fraction form
    64,782,108.70/89,399,904.86 = 36,904,405.74/x
  3. Step 3: Cross multiply
    64,782,108.70x = 89,399,904.86 × 36,904,405.74
  4. Step 4: Simplify right side
    64,782,108.70x = 3,299,250,361,812,918.50
  5. Step 5: Solve for x
    x = 3,299,250,361,812,918.50/64,782,108.70
  6. Step 6: Final answer
    x = 50,928,418.79

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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.