Home / 132,891,036.40-199,373,879.40-64,735,951.60

Finding the Fourth Proportional to 132,891,036.40, 199,373,879.40 and 64,735,951.60

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Solution

The fourth proportional to 132,891,036.40, 199,373,879.40 and 64,735,951.60 is: 97,122,109.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,891,036.40 : 199,373,879.40 = 64,735,951.60 : x
  2. Step 2: Convert to fraction form
    132,891,036.40/199,373,879.40 = 64,735,951.60/x
  3. Step 3: Cross multiply
    132,891,036.40x = 199,373,879.40 × 64,735,951.60
  4. Step 4: Simplify right side
    132,891,036.40x = 12,906,657,807,142,638
  5. Step 5: Solve for x
    x = 12,906,657,807,142,638/132,891,036.40
  6. Step 6: Final answer
    x = 97,122,109.64

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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.