Home / 42,395,496.40-63,593,244.60-39,561,144.40

Finding the Fourth Proportional to 42,395,496.40, 63,593,244.60 and 39,561,144.40

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Solution

The fourth proportional to 42,395,496.40, 63,593,244.60 and 39,561,144.40 is: 59,341,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,395,496.40 : 63,593,244.60 = 39,561,144.40 : x
  2. Step 2: Convert to fraction form
    42,395,496.40/63,593,244.60 = 39,561,144.40/x
  3. Step 3: Cross multiply
    42,395,496.40x = 63,593,244.60 × 39,561,144.40
  4. Step 4: Simplify right side
    42,395,496.40x = 2,515,821,532,485,120
  5. Step 5: Solve for x
    x = 2,515,821,532,485,120/42,395,496.40
  6. Step 6: Final answer
    x = 59,341,716.60

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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.