Home / 44,285,987.70-66,428,981.55-20,398,115.70

Finding the Fourth Proportional to 44,285,987.70, 66,428,981.55 and 20,398,115.70

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Solution

The fourth proportional to 44,285,987.70, 66,428,981.55 and 20,398,115.70 is: 30,597,173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,285,987.70 : 66,428,981.55 = 20,398,115.70 : x
  2. Step 2: Convert to fraction form
    44,285,987.70/66,428,981.55 = 20,398,115.70/x
  3. Step 3: Cross multiply
    44,285,987.70x = 66,428,981.55 × 20,398,115.70
  4. Step 4: Simplify right side
    44,285,987.70x = 1,355,026,051,490,065.25
  5. Step 5: Solve for x
    x = 1,355,026,051,490,065.25/44,285,987.70
  6. Step 6: Final answer
    x = 30,597,173.55

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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.