Home / 177,131,415.60-265,697,123.40-99,647,317.80

Finding the Fourth Proportional to 177,131,415.60, 265,697,123.40 and 99,647,317.80

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Solution

The fourth proportional to 177,131,415.60, 265,697,123.40 and 99,647,317.80 is: 149,470,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,131,415.60 : 265,697,123.40 = 99,647,317.80 : x
  2. Step 2: Convert to fraction form
    177,131,415.60/265,697,123.40 = 99,647,317.80/x
  3. Step 3: Cross multiply
    177,131,415.60x = 265,697,123.40 × 99,647,317.80
  4. Step 4: Simplify right side
    177,131,415.60x = 26,476,005,693,985,616
  5. Step 5: Solve for x
    x = 26,476,005,693,985,616/177,131,415.60
  6. Step 6: Final answer
    x = 149,470,976.70

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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.