Home / 42,209,738.70-63,314,608.05-39,858,276.30

Finding the Fourth Proportional to 42,209,738.70, 63,314,608.05 and 39,858,276.30

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Solution

The fourth proportional to 42,209,738.70, 63,314,608.05 and 39,858,276.30 is: 59,787,414.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,209,738.70 : 63,314,608.05 = 39,858,276.30 : x
  2. Step 2: Convert to fraction form
    42,209,738.70/63,314,608.05 = 39,858,276.30/x
  3. Step 3: Cross multiply
    42,209,738.70x = 63,314,608.05 × 39,858,276.30
  4. Step 4: Simplify right side
    42,209,738.70x = 2,523,611,141,483,104
  5. Step 5: Solve for x
    x = 2,523,611,141,483,104/42,209,738.70
  6. Step 6: Final answer
    x = 59,787,414.45

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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.