Home / 232,715,225.01-321,149,485.05-128,297,032.71

Finding the Fourth Proportional to 232,715,225.01, 321,149,485.05 and 128,297,032.71

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Solution

The fourth proportional to 232,715,225.01, 321,149,485.05 and 128,297,032.71 is: 177,051,269.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,715,225.01 : 321,149,485.05 = 128,297,032.71 : x
  2. Step 2: Convert to fraction form
    232,715,225.01/321,149,485.05 = 128,297,032.71/x
  3. Step 3: Cross multiply
    232,715,225.01x = 321,149,485.05 × 128,297,032.71
  4. Step 4: Simplify right side
    232,715,225.01x = 41,202,525,988,259,504
  5. Step 5: Solve for x
    x = 41,202,525,988,259,504/232,715,225.01
  6. Step 6: Final answer
    x = 177,051,269.36

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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.