Home / 57,163,933.35-78,886,945.47-31,058,887.14

Finding the Fourth Proportional to 57,163,933.35, 78,886,945.47 and 31,058,887.14

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Solution

The fourth proportional to 57,163,933.35, 78,886,945.47 and 31,058,887.14 is: 42,861,654.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,163,933.35 : 78,886,945.47 = 31,058,887.14 : x
  2. Step 2: Convert to fraction form
    57,163,933.35/78,886,945.47 = 31,058,887.14/x
  3. Step 3: Cross multiply
    57,163,933.35x = 78,886,945.47 × 31,058,887.14
  4. Step 4: Simplify right side
    57,163,933.35x = 2,450,140,736,172,064.50
  5. Step 5: Solve for x
    x = 2,450,140,736,172,064.50/57,163,933.35
  6. Step 6: Final answer
    x = 42,861,654.06

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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.