Home / 71,218,272.60-106,827,408.90-64,628,404.20

Finding the Fourth Proportional to 71,218,272.60, 106,827,408.90 and 64,628,404.20

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Solution

The fourth proportional to 71,218,272.60, 106,827,408.90 and 64,628,404.20 is: 96,942,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,218,272.60 : 106,827,408.90 = 64,628,404.20 : x
  2. Step 2: Convert to fraction form
    71,218,272.60/106,827,408.90 = 64,628,404.20/x
  3. Step 3: Cross multiply
    71,218,272.60x = 106,827,408.90 × 64,628,404.20
  4. Step 4: Simplify right side
    71,218,272.60x = 6,904,084,962,027,878
  5. Step 5: Solve for x
    x = 6,904,084,962,027,878/71,218,272.60
  6. Step 6: Final answer
    x = 96,942,606.30

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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.