Home / 132,945,854.40-199,398,045.60-42,091,761.60

Finding the Fourth Proportional to 132,945,854.40, 199,398,045.60 and 42,091,761.60

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Solution

The fourth proportional to 132,945,854.40, 199,398,045.60 and 42,091,761.60 is: 63,131,077.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,945,854.40 : 199,398,045.60 = 42,091,761.60 : x
  2. Step 2: Convert to fraction form
    132,945,854.40/199,398,045.60 = 42,091,761.60/x
  3. Step 3: Cross multiply
    132,945,854.40x = 199,398,045.60 × 42,091,761.60
  4. Step 4: Simplify right side
    132,945,854.40x = 8,393,014,998,901,129
  5. Step 5: Solve for x
    x = 8,393,014,998,901,129/132,945,854.40
  6. Step 6: Final answer
    x = 63,131,077.21

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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.