Home / 181,321,058.67-250,220,667.42-100,852,507.77

Finding the Fourth Proportional to 181,321,058.67, 250,220,667.42 and 100,852,507.77

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Solution

The fourth proportional to 181,321,058.67, 250,220,667.42 and 100,852,507.77 is: 139,175,129.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,321,058.67 : 250,220,667.42 = 100,852,507.77 : x
  2. Step 2: Convert to fraction form
    181,321,058.67/250,220,667.42 = 100,852,507.77/x
  3. Step 3: Cross multiply
    181,321,058.67x = 250,220,667.42 × 100,852,507.77
  4. Step 4: Simplify right side
    181,321,058.67x = 25,235,381,805,190,132
  5. Step 5: Solve for x
    x = 25,235,381,805,190,132/181,321,058.67
  6. Step 6: Final answer
    x = 139,175,129.41

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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.