Home / 38,889,643.20-58,334,464.80-38,322,772.80

Finding the Fourth Proportional to 38,889,643.20, 58,334,464.80 and 38,322,772.80

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Solution

The fourth proportional to 38,889,643.20, 58,334,464.80 and 38,322,772.80 is: 57,484,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,889,643.20 : 58,334,464.80 = 38,322,772.80 : x
  2. Step 2: Convert to fraction form
    38,889,643.20/58,334,464.80 = 38,322,772.80/x
  3. Step 3: Cross multiply
    38,889,643.20x = 58,334,464.80 × 38,322,772.80
  4. Step 4: Simplify right side
    38,889,643.20x = 2,235,538,440,939,997.25
  5. Step 5: Solve for x
    x = 2,235,538,440,939,997.25/38,889,643.20
  6. Step 6: Final answer
    x = 57,484,159.20

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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.