Home / 293,558,441.87-405,086,689.93-172,837,374.58

Finding the Fourth Proportional to 293,558,441.87, 405,086,689.93 and 172,837,374.58

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Solution

The fourth proportional to 293,558,441.87, 405,086,689.93 and 172,837,374.58 is: 238,501,470.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,558,441.87 : 405,086,689.93 = 172,837,374.58 : x
  2. Step 2: Convert to fraction form
    293,558,441.87/405,086,689.93 = 172,837,374.58/x
  3. Step 3: Cross multiply
    293,558,441.87x = 405,086,689.93 × 172,837,374.58
  4. Step 4: Simplify right side
    293,558,441.87x = 70,014,119,961,914,104
  5. Step 5: Solve for x
    x = 70,014,119,961,914,104/293,558,441.87
  6. Step 6: Final answer
    x = 238,501,470.15

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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.