Home / 139,519,335.36-192,535,154.91-76,794,092.25

Finding the Fourth Proportional to 139,519,335.36, 192,535,154.91 and 76,794,092.25

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Solution

The fourth proportional to 139,519,335.36, 192,535,154.91 and 76,794,092.25 is: 105,975,006.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,519,335.36 : 192,535,154.91 = 76,794,092.25 : x
  2. Step 2: Convert to fraction form
    139,519,335.36/192,535,154.91 = 76,794,092.25/x
  3. Step 3: Cross multiply
    139,519,335.36x = 192,535,154.91 × 76,794,092.25
  4. Step 4: Simplify right side
    139,519,335.36x = 14,785,562,447,526,580
  5. Step 5: Solve for x
    x = 14,785,562,447,526,580/139,519,335.36
  6. Step 6: Final answer
    x = 105,975,006.33

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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.