Home / 47,129,762.56-70,693,933.44-21,203,754.88

Finding the Fourth Proportional to 47,129,762.56, 70,693,933.44 and 21,203,754.88

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Solution

The fourth proportional to 47,129,762.56, 70,693,933.44 and 21,203,754.88 is: 31,805,312.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,129,762.56 : 70,693,933.44 = 21,203,754.88 : x
  2. Step 2: Convert to fraction form
    47,129,762.56/70,693,933.44 = 21,203,754.88/x
  3. Step 3: Cross multiply
    47,129,762.56x = 70,693,933.44 × 21,203,754.88
  4. Step 4: Simplify right side
    47,129,762.56x = 1,498,976,836,164,795
  5. Step 5: Solve for x
    x = 1,498,976,836,164,795/47,129,762.56
  6. Step 6: Final answer
    x = 31,805,312.71

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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.