Home / 135,109,138.94-186,467,879.32-75,573,743.66

Finding the Fourth Proportional to 135,109,138.94, 186,467,879.32 and 75,573,743.66

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Solution

The fourth proportional to 135,109,138.94, 186,467,879.32 and 75,573,743.66 is: 104,301,424.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,109,138.94 : 186,467,879.32 = 75,573,743.66 : x
  2. Step 2: Convert to fraction form
    135,109,138.94/186,467,879.32 = 75,573,743.66/x
  3. Step 3: Cross multiply
    135,109,138.94x = 186,467,879.32 × 75,573,743.66
  4. Step 4: Simplify right side
    135,109,138.94x = 14,092,075,712,553,494
  5. Step 5: Solve for x
    x = 14,092,075,712,553,494/135,109,138.94
  6. Step 6: Final answer
    x = 104,301,424.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.