Home / 84,301,333.37-126,255,574.48-81,974,120.02

Finding the Fourth Proportional to 84,301,333.37, 126,255,574.48 and 81,974,120.02

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Solution

The fourth proportional to 84,301,333.37, 126,255,574.48 and 81,974,120.02 is: 122,770,176.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,301,333.37 : 126,255,574.48 = 81,974,120.02 : x
  2. Step 2: Convert to fraction form
    84,301,333.37/126,255,574.48 = 81,974,120.02/x
  3. Step 3: Cross multiply
    84,301,333.37x = 126,255,574.48 × 81,974,120.02
  4. Step 4: Simplify right side
    84,301,333.37x = 10,349,689,615,617,568
  5. Step 5: Solve for x
    x = 10,349,689,615,617,568/84,301,333.37
  6. Step 6: Final answer
    x = 122,770,176.96

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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.