Home / 161,028,760,187.72-222,220,362,605.15-88,769,238,929.66

Finding the Fourth Proportional to 161,028,760,187.72, 222,220,362,605.15 and 88,769,238,929.66

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Solution

The fourth proportional to 161,028,760,187.72, 222,220,362,605.15 and 88,769,238,929.66 is: 122,501,921,024.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,028,760,187.72 : 222,220,362,605.15 = 88,769,238,929.66 : x
  2. Step 2: Convert to fraction form
    161,028,760,187.72/222,220,362,605.15 = 88,769,238,929.66/x
  3. Step 3: Cross multiply
    161,028,760,187.72x = 222,220,362,605.15 × 88,769,238,929.66
  4. Step 4: Simplify right side
    161,028,760,187.72x = 19,726,332,463,132,243,394,560
  5. Step 5: Solve for x
    x = 19,726,332,463,132,243,394,560/161,028,760,187.72
  6. Step 6: Final answer
    x = 122,501,921,024.15

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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.