Home / 57,033,877.98-78,706,772.52-30,928,388.90

Finding the Fourth Proportional to 57,033,877.98, 78,706,772.52 and 30,928,388.90

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Solution

The fourth proportional to 57,033,877.98, 78,706,772.52 and 30,928,388.90 is: 42,681,188.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,033,877.98 : 78,706,772.52 = 30,928,388.90 : x
  2. Step 2: Convert to fraction form
    57,033,877.98/78,706,772.52 = 30,928,388.90/x
  3. Step 3: Cross multiply
    57,033,877.98x = 78,706,772.52 × 30,928,388.90
  4. Step 4: Simplify right side
    57,033,877.98x = 2,434,273,669,562,393
  5. Step 5: Solve for x
    x = 2,434,273,669,562,393/57,033,877.98
  6. Step 6: Final answer
    x = 42,681,188.02

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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.