Home / 161,028,760,186.72-222,220,362,603.77-88,769,238,928.66

Finding the Fourth Proportional to 161,028,760,186.72, 222,220,362,603.77 and 88,769,238,928.66

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Solution

The fourth proportional to 161,028,760,186.72, 222,220,362,603.77 and 88,769,238,928.66 is: 122,501,921,022.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,028,760,186.72 : 222,220,362,603.77 = 88,769,238,928.66 : x
  2. Step 2: Convert to fraction form
    161,028,760,186.72/222,220,362,603.77 = 88,769,238,928.66/x
  3. Step 3: Cross multiply
    161,028,760,186.72x = 222,220,362,603.77 × 88,769,238,928.66
  4. Step 4: Simplify right side
    161,028,760,186.72x = 19,726,332,462,787,521,937,408
  5. Step 5: Solve for x
    x = 19,726,332,462,787,521,937,408/161,028,760,186.72
  6. Step 6: Final answer
    x = 122,501,921,022.77

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Double scale
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1.5x scale

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.