Home / 71,090,198.40-106,635,297.60-49,549,123.20

Finding the Fourth Proportional to 71,090,198.40, 106,635,297.60 and 49,549,123.20

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Solution

The fourth proportional to 71,090,198.40, 106,635,297.60 and 49,549,123.20 is: 74,323,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,090,198.40 : 106,635,297.60 = 49,549,123.20 : x
  2. Step 2: Convert to fraction form
    71,090,198.40/106,635,297.60 = 49,549,123.20/x
  3. Step 3: Cross multiply
    71,090,198.40x = 106,635,297.60 × 49,549,123.20
  4. Step 4: Simplify right side
    71,090,198.40x = 5,283,685,498,251,064
  5. Step 5: Solve for x
    x = 5,283,685,498,251,064/71,090,198.40
  6. Step 6: Final answer
    x = 74,323,684.80

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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.