Home / 84,052,037.28-126,088,378.56-28,729,024.32

Finding the Fourth Proportional to 84,052,037.28, 126,088,378.56 and 28,729,024.32

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Solution

The fourth proportional to 84,052,037.28, 126,088,378.56 and 28,729,024.32 is: 43,097,064.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,052,037.28 : 126,088,378.56 = 28,729,024.32 : x
  2. Step 2: Convert to fraction form
    84,052,037.28/126,088,378.56 = 28,729,024.32/x
  3. Step 3: Cross multiply
    84,052,037.28x = 126,088,378.56 × 28,729,024.32
  4. Step 4: Simplify right side
    84,052,037.28x = 3,622,396,094,119,606.50
  5. Step 5: Solve for x
    x = 3,622,396,094,119,606.50/84,052,037.28
  6. Step 6: Final answer
    x = 43,097,064.76

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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.