Home / 126,326,618.94-189,508,004.23-38,895,533.58

Finding the Fourth Proportional to 126,326,618.94, 189,508,004.23 and 38,895,533.58

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Solution

The fourth proportional to 126,326,618.94, 189,508,004.23 and 38,895,533.58 is: 58,348,865.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,326,618.94 : 189,508,004.23 = 38,895,533.58 : x
  2. Step 2: Convert to fraction form
    126,326,618.94/189,508,004.23 = 38,895,533.58/x
  3. Step 3: Cross multiply
    126,326,618.94x = 189,508,004.23 × 38,895,533.58
  4. Step 4: Simplify right side
    126,326,618.94x = 7,371,014,942,206,746
  5. Step 5: Solve for x
    x = 7,371,014,942,206,746/126,326,618.94
  6. Step 6: Final answer
    x = 58,348,865.85

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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.