Home / 191,287,745.49-264,058,541.29-128,600,199.93

Finding the Fourth Proportional to 191,287,745.49, 264,058,541.29 and 128,600,199.93

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Solution

The fourth proportional to 191,287,745.49, 264,058,541.29 and 128,600,199.93 is: 177,523,035.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,287,745.49 : 264,058,541.29 = 128,600,199.93 : x
  2. Step 2: Convert to fraction form
    191,287,745.49/264,058,541.29 = 128,600,199.93/x
  3. Step 3: Cross multiply
    191,287,745.49x = 264,058,541.29 × 128,600,199.93
  4. Step 4: Simplify right side
    191,287,745.49x = 33,957,981,203,118,160
  5. Step 5: Solve for x
    x = 33,957,981,203,118,160/191,287,745.49
  6. Step 6: Final answer
    x = 177,523,035.34

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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.