Home / 139,467,612.44-209,201,417.62-50,842,829.52

Finding the Fourth Proportional to 139,467,612.44, 209,201,417.62 and 50,842,829.52

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Solution

The fourth proportional to 139,467,612.44, 209,201,417.62 and 50,842,829.52 is: 76,264,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,467,612.44 : 209,201,417.62 = 50,842,829.52 : x
  2. Step 2: Convert to fraction form
    139,467,612.44/209,201,417.62 = 50,842,829.52/x
  3. Step 3: Cross multiply
    139,467,612.44x = 209,201,417.62 × 50,842,829.52
  4. Step 4: Simplify right side
    139,467,612.44x = 10,636,392,011,268,878
  5. Step 5: Solve for x
    x = 10,636,392,011,268,878/139,467,612.44
  6. Step 6: Final answer
    x = 76,264,243.90

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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.