Home / 191,287,744.77-264,058,540.30-128,600,199.21

Finding the Fourth Proportional to 191,287,744.77, 264,058,540.30 and 128,600,199.21

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Solution

The fourth proportional to 191,287,744.77, 264,058,540.30 and 128,600,199.21 is: 177,523,034.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,287,744.77 : 264,058,540.30 = 128,600,199.21 : x
  2. Step 2: Convert to fraction form
    191,287,744.77/264,058,540.30 = 128,600,199.21/x
  3. Step 3: Cross multiply
    191,287,744.77x = 264,058,540.30 × 128,600,199.21
  4. Step 4: Simplify right side
    191,287,744.77x = 33,957,980,885,360,312
  5. Step 5: Solve for x
    x = 33,957,980,885,360,312/191,287,744.77
  6. Step 6: Final answer
    x = 177,523,034.35

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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.