Home / 232,638,542.85-321,040,219.01-128,216,364.96

Finding the Fourth Proportional to 232,638,542.85, 321,040,219.01 and 128,216,364.96

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Solution

The fourth proportional to 232,638,542.85, 321,040,219.01 and 128,216,364.96 is: 176,938,048.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,638,542.85 : 321,040,219.01 = 128,216,364.96 : x
  2. Step 2: Convert to fraction form
    232,638,542.85/321,040,219.01 = 128,216,364.96/x
  3. Step 3: Cross multiply
    232,638,542.85x = 321,040,219.01 × 128,216,364.96
  4. Step 4: Simplify right side
    232,638,542.85x = 41,162,609,887,424,488
  5. Step 5: Solve for x
    x = 41,162,609,887,424,488/232,638,542.85
  6. Step 6: Final answer
    x = 176,938,048.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.