Home / 42,409,788.20-63,640,926.30-16,848,132.20

Finding the Fourth Proportional to 42,409,788.20, 63,640,926.30 and 16,848,132.20

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Solution

The fourth proportional to 42,409,788.20, 63,640,926.30 and 16,848,132.20 is: 25,282,624.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,409,788.20 : 63,640,926.30 = 16,848,132.20 : x
  2. Step 2: Convert to fraction form
    42,409,788.20/63,640,926.30 = 16,848,132.20/x
  3. Step 3: Cross multiply
    42,409,788.20x = 63,640,926.30 × 16,848,132.20
  4. Step 4: Simplify right side
    42,409,788.20x = 1,072,230,739,632,856.75
  5. Step 5: Solve for x
    x = 1,072,230,739,632,856.75/42,409,788.20
  6. Step 6: Final answer
    x = 25,282,624.25

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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.