Home / 232,638,541.60-321,040,217.28-128,216,363.71

Finding the Fourth Proportional to 232,638,541.60, 321,040,217.28 and 128,216,363.71

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Solution

The fourth proportional to 232,638,541.60, 321,040,217.28 and 128,216,363.71 is: 176,938,047.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,638,541.60 : 321,040,217.28 = 128,216,363.71 : x
  2. Step 2: Convert to fraction form
    232,638,541.60/321,040,217.28 = 128,216,363.71/x
  3. Step 3: Cross multiply
    232,638,541.60x = 321,040,217.28 × 128,216,363.71
  4. Step 4: Simplify right side
    232,638,541.60x = 41,162,609,263,988,120
  5. Step 5: Solve for x
    x = 41,162,609,263,988,120/232,638,541.60
  6. Step 6: Final answer
    x = 176,938,047.24

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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.