Home / 88,583,870.40-132,875,805.60-80,080,814.40

Finding the Fourth Proportional to 88,583,870.40, 132,875,805.60 and 80,080,814.40

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Solution

The fourth proportional to 88,583,870.40, 132,875,805.60 and 80,080,814.40 is: 120,121,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,583,870.40 : 132,875,805.60 = 80,080,814.40 : x
  2. Step 2: Convert to fraction form
    88,583,870.40/132,875,805.60 = 80,080,814.40/x
  3. Step 3: Cross multiply
    88,583,870.40x = 132,875,805.60 × 80,080,814.40
  4. Step 4: Simplify right side
    88,583,870.40x = 10,640,802,726,504,080
  5. Step 5: Solve for x
    x = 10,640,802,726,504,080/88,583,870.40
  6. Step 6: Final answer
    x = 120,121,221.60

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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.