Home / 88,230,010.20-132,345,015.30-42,880,378.20

Finding the Fourth Proportional to 88,230,010.20, 132,345,015.30 and 42,880,378.20

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Solution

The fourth proportional to 88,230,010.20, 132,345,015.30 and 42,880,378.20 is: 64,320,567.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,230,010.20 : 132,345,015.30 = 42,880,378.20 : x
  2. Step 2: Convert to fraction form
    88,230,010.20/132,345,015.30 = 42,880,378.20/x
  3. Step 3: Cross multiply
    88,230,010.20x = 132,345,015.30 × 42,880,378.20
  4. Step 4: Simplify right side
    88,230,010.20x = 5,675,004,308,948,787
  5. Step 5: Solve for x
    x = 5,675,004,308,948,787/88,230,010.20
  6. Step 6: Final answer
    x = 64,320,567.30

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Double scale
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Similar ratio
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1.5x scale

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.