Home / 133,632,032.60-200,746,647.30-128,555,859.80

Finding the Fourth Proportional to 133,632,032.60, 200,746,647.30 and 128,555,859.80

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Solution

The fourth proportional to 133,632,032.60, 200,746,647.30 and 128,555,859.80 is: 193,121,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,632,032.60 : 200,746,647.30 = 128,555,859.80 : x
  2. Step 2: Convert to fraction form
    133,632,032.60/200,746,647.30 = 128,555,859.80/x
  3. Step 3: Cross multiply
    133,632,032.60x = 200,746,647.30 × 128,555,859.80
  4. Step 4: Simplify right side
    133,632,032.60x = 25,807,157,845,618,848
  5. Step 5: Solve for x
    x = 25,807,157,845,618,848/133,632,032.60
  6. Step 6: Final answer
    x = 193,121,045.48

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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.