Home / 191,287,744.99-264,058,540.60-128,600,199.43

Finding the Fourth Proportional to 191,287,744.99, 264,058,540.60 and 128,600,199.43

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Solution

The fourth proportional to 191,287,744.99, 264,058,540.60 and 128,600,199.43 is: 177,523,034.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,287,744.99 : 264,058,540.60 = 128,600,199.43 : x
  2. Step 2: Convert to fraction form
    191,287,744.99/264,058,540.60 = 128,600,199.43/x
  3. Step 3: Cross multiply
    191,287,744.99x = 264,058,540.60 × 128,600,199.43
  4. Step 4: Simplify right side
    191,287,744.99x = 33,957,980,982,354,752
  5. Step 5: Solve for x
    x = 33,957,980,982,354,752/191,287,744.99
  6. Step 6: Final answer
    x = 177,523,034.65

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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.