Home / 139,313,983.93-208,516,253.84-102,416,106.58

Finding the Fourth Proportional to 139,313,983.93, 208,516,253.84 and 102,416,106.58

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Solution

The fourth proportional to 139,313,983.93, 208,516,253.84 and 102,416,106.58 is: 153,289,872.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,313,983.93 : 208,516,253.84 = 102,416,106.58 : x
  2. Step 2: Convert to fraction form
    139,313,983.93/208,516,253.84 = 102,416,106.58/x
  3. Step 3: Cross multiply
    139,313,983.93x = 208,516,253.84 × 102,416,106.58
  4. Step 4: Simplify right side
    139,313,983.93x = 21,355,422,876,290,464
  5. Step 5: Solve for x
    x = 21,355,422,876,290,464/139,313,983.93
  6. Step 6: Final answer
    x = 153,289,872.81

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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.