Home / 139,338,494.28-192,292,056-76,619,365.56

Finding the Fourth Proportional to 139,338,494.28, 192,292,056 and 76,619,365.56

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Solution

The fourth proportional to 139,338,494.28, 192,292,056 and 76,619,365.56 is: 105,737,437.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,338,494.28 : 192,292,056 = 76,619,365.56 : x
  2. Step 2: Convert to fraction form
    139,338,494.28/192,292,056 = 76,619,365.56/x
  3. Step 3: Cross multiply
    139,338,494.28x = 192,292,056 × 76,619,365.56
  4. Step 4: Simplify right side
    139,338,494.28x = 14,733,295,332,947,992
  5. Step 5: Solve for x
    x = 14,733,295,332,947,992/139,338,494.28
  6. Step 6: Final answer
    x = 105,737,437.52

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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.