Home / 85,136,187,062.87-117,432,579,285.44-54,604,009,632.38

Finding the Fourth Proportional to 85,136,187,062.87, 117,432,579,285.44 and 54,604,009,632.38

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Solution

The fourth proportional to 85,136,187,062.87, 117,432,579,285.44 and 54,604,009,632.38 is: 75,318,027,641.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,136,187,062.87 : 117,432,579,285.44 = 54,604,009,632.38 : x
  2. Step 2: Convert to fraction form
    85,136,187,062.87/117,432,579,285.44 = 54,604,009,632.38/x
  3. Step 3: Cross multiply
    85,136,187,062.87x = 117,432,579,285.44 × 54,604,009,632.38
  4. Step 4: Simplify right side
    85,136,187,062.87x = 6,412,289,690,457,629,261,824
  5. Step 5: Solve for x
    x = 6,412,289,690,457,629,261,824/85,136,187,062.87
  6. Step 6: Final answer
    x = 75,318,027,641.09

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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.