Home / 126,361,643-189,542,464.50-30,623,531

Finding the Fourth Proportional to 126,361,643, 189,542,464.50 and 30,623,531

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Solution

The fourth proportional to 126,361,643, 189,542,464.50 and 30,623,531 is: 45,935,296.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,361,643 : 189,542,464.50 = 30,623,531 : x
  2. Step 2: Convert to fraction form
    126,361,643/189,542,464.50 = 30,623,531/x
  3. Step 3: Cross multiply
    126,361,643x = 189,542,464.50 × 30,623,531
  4. Step 4: Simplify right side
    126,361,643x = 5,804,459,537,432,150
  5. Step 5: Solve for x
    x = 5,804,459,537,432,150/126,361,643
  6. Step 6: Final answer
    x = 45,935,296.50

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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.