Home / 139,415,517.66-209,078,909.19-46,025,100.48

Finding the Fourth Proportional to 139,415,517.66, 209,078,909.19 and 46,025,100.48

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Solution

The fourth proportional to 139,415,517.66, 209,078,909.19 and 46,025,100.48 is: 69,023,003.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,415,517.66 : 209,078,909.19 = 46,025,100.48 : x
  2. Step 2: Convert to fraction form
    139,415,517.66/209,078,909.19 = 46,025,100.48/x
  3. Step 3: Cross multiply
    139,415,517.66x = 209,078,909.19 × 46,025,100.48
  4. Step 4: Simplify right side
    139,415,517.66x = 9,622,877,803,718,544
  5. Step 5: Solve for x
    x = 9,622,877,803,718,544/139,415,517.66
  6. Step 6: Final answer
    x = 69,023,003.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.