Home / 126,337,790.45-189,341,574.47-91,440,407.39

Finding the Fourth Proportional to 126,337,790.45, 189,341,574.47 and 91,440,407.39

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Solution

The fourth proportional to 126,337,790.45, 189,341,574.47 and 91,440,407.39 is: 137,041,107.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,337,790.45 : 189,341,574.47 = 91,440,407.39 : x
  2. Step 2: Convert to fraction form
    126,337,790.45/189,341,574.47 = 91,440,407.39/x
  3. Step 3: Cross multiply
    126,337,790.45x = 189,341,574.47 × 91,440,407.39
  4. Step 4: Simplify right side
    126,337,790.45x = 17,313,470,704,943,622
  5. Step 5: Solve for x
    x = 17,313,470,704,943,622/126,337,790.45
  6. Step 6: Final answer
    x = 137,041,107.36

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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.