Home / 71,238,666.60-106,857,999.90-48,563,850.60

Finding the Fourth Proportional to 71,238,666.60, 106,857,999.90 and 48,563,850.60

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Solution

The fourth proportional to 71,238,666.60, 106,857,999.90 and 48,563,850.60 is: 72,845,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,238,666.60 : 106,857,999.90 = 48,563,850.60 : x
  2. Step 2: Convert to fraction form
    71,238,666.60/106,857,999.90 = 48,563,850.60/x
  3. Step 3: Cross multiply
    71,238,666.60x = 106,857,999.90 × 48,563,850.60
  4. Step 4: Simplify right side
    71,238,666.60x = 5,189,435,942,558,415
  5. Step 5: Solve for x
    x = 5,189,435,942,558,415/71,238,666.60
  6. Step 6: Final answer
    x = 72,845,775.90

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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.