Home / 177,179,349.74-265,781,794.32-68,004,520.77

Finding the Fourth Proportional to 177,179,349.74, 265,781,794.32 and 68,004,520.77

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Solution

The fourth proportional to 177,179,349.74, 265,781,794.32 and 68,004,520.77 is: 102,011,682.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,179,349.74 : 265,781,794.32 = 68,004,520.77 : x
  2. Step 2: Convert to fraction form
    177,179,349.74/265,781,794.32 = 68,004,520.77/x
  3. Step 3: Cross multiply
    177,179,349.74x = 265,781,794.32 × 68,004,520.77
  4. Step 4: Simplify right side
    177,179,349.74x = 18,074,363,552,122,308
  5. Step 5: Solve for x
    x = 18,074,363,552,122,308/177,179,349.74
  6. Step 6: Final answer
    x = 102,011,682.39

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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.