Home / 100,276,056.46-138,347,879.38-60,568,750.51

Finding the Fourth Proportional to 100,276,056.46, 138,347,879.38 and 60,568,750.51

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Solution

The fourth proportional to 100,276,056.46, 138,347,879.38 and 60,568,750.51 is: 83,564,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,276,056.46 : 138,347,879.38 = 60,568,750.51 : x
  2. Step 2: Convert to fraction form
    100,276,056.46/138,347,879.38 = 60,568,750.51/x
  3. Step 3: Cross multiply
    100,276,056.46x = 138,347,879.38 × 60,568,750.51
  4. Step 4: Simplify right side
    100,276,056.46x = 8,379,558,189,257,502
  5. Step 5: Solve for x
    x = 8,379,558,189,257,502/100,276,056.46
  6. Step 6: Final answer
    x = 83,564,895.60

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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.