Home / 126,202,322.80-189,303,484.20-39,947,480.20

Finding the Fourth Proportional to 126,202,322.80, 189,303,484.20 and 39,947,480.20

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Solution

The fourth proportional to 126,202,322.80, 189,303,484.20 and 39,947,480.20 is: 59,921,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,202,322.80 : 189,303,484.20 = 39,947,480.20 : x
  2. Step 2: Convert to fraction form
    126,202,322.80/189,303,484.20 = 39,947,480.20/x
  3. Step 3: Cross multiply
    126,202,322.80x = 189,303,484.20 × 39,947,480.20
  4. Step 4: Simplify right side
    126,202,322.80x = 7,562,197,186,870,513
  5. Step 5: Solve for x
    x = 7,562,197,186,870,513/126,202,322.80
  6. Step 6: Final answer
    x = 59,921,220.30

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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.