Home / 76,294,688.40-105,563,917.26-66,525,490.62

Finding the Fourth Proportional to 76,294,688.40, 105,563,917.26 and 66,525,490.62

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Solution

The fourth proportional to 76,294,688.40, 105,563,917.26 and 66,525,490.62 is: 92,046,924.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,294,688.40 : 105,563,917.26 = 66,525,490.62 : x
  2. Step 2: Convert to fraction form
    76,294,688.40/105,563,917.26 = 66,525,490.62/x
  3. Step 3: Cross multiply
    76,294,688.40x = 105,563,917.26 × 66,525,490.62
  4. Step 4: Simplify right side
    76,294,688.40x = 7,022,691,387,490,586
  5. Step 5: Solve for x
    x = 7,022,691,387,490,586/76,294,688.40
  6. Step 6: Final answer
    x = 92,046,924.04

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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.