Home / 71,072,976.40-106,609,464.60-48,114,725.20

Finding the Fourth Proportional to 71,072,976.40, 106,609,464.60 and 48,114,725.20

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Solution

The fourth proportional to 71,072,976.40, 106,609,464.60 and 48,114,725.20 is: 72,172,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,072,976.40 : 106,609,464.60 = 48,114,725.20 : x
  2. Step 2: Convert to fraction form
    71,072,976.40/106,609,464.60 = 48,114,725.20/x
  3. Step 3: Cross multiply
    71,072,976.40x = 106,609,464.60 × 48,114,725.20
  4. Step 4: Simplify right side
    71,072,976.40x = 5,129,485,092,948,128
  5. Step 5: Solve for x
    x = 5,129,485,092,948,128/71,072,976.40
  6. Step 6: Final answer
    x = 72,172,087.80

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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.