Home / 42,078,085.20-63,063,983.70-20,466,151.20

Finding the Fourth Proportional to 42,078,085.20, 63,063,983.70 and 20,466,151.20

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Solution

The fourth proportional to 42,078,085.20, 63,063,983.70 and 20,466,151.20 is: 30,673,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,078,085.20 : 63,063,983.70 = 20,466,151.20 : x
  2. Step 2: Convert to fraction form
    42,078,085.20/63,063,983.70 = 20,466,151.20/x
  3. Step 3: Cross multiply
    42,078,085.20x = 63,063,983.70 × 20,466,151.20
  4. Step 4: Simplify right side
    42,078,085.20x = 1,290,677,025,678,535.50
  5. Step 5: Solve for x
    x = 1,290,677,025,678,535.50/42,078,085.20
  6. Step 6: Final answer
    x = 30,673,378.30

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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.