Home / 139,028,552.70-208,542,829.05-106,842,911.10

Finding the Fourth Proportional to 139,028,552.70, 208,542,829.05 and 106,842,911.10

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Solution

The fourth proportional to 139,028,552.70, 208,542,829.05 and 106,842,911.10 is: 160,264,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,028,552.70 : 208,542,829.05 = 106,842,911.10 : x
  2. Step 2: Convert to fraction form
    139,028,552.70/208,542,829.05 = 106,842,911.10/x
  3. Step 3: Cross multiply
    139,028,552.70x = 208,542,829.05 × 106,842,911.10
  4. Step 4: Simplify right side
    139,028,552.70x = 22,281,322,944,731,648
  5. Step 5: Solve for x
    x = 22,281,322,944,731,648/139,028,552.70
  6. Step 6: Final answer
    x = 160,264,366.65

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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.