Home / 56,008,003.80-84,012,005.70-20,101,546.20

Finding the Fourth Proportional to 56,008,003.80, 84,012,005.70 and 20,101,546.20

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Solution

The fourth proportional to 56,008,003.80, 84,012,005.70 and 20,101,546.20 is: 30,152,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,008,003.80 : 84,012,005.70 = 20,101,546.20 : x
  2. Step 2: Convert to fraction form
    56,008,003.80/84,012,005.70 = 20,101,546.20/x
  3. Step 3: Cross multiply
    56,008,003.80x = 84,012,005.70 × 20,101,546.20
  4. Step 4: Simplify right side
    56,008,003.80x = 1,688,771,213,933,213.25
  5. Step 5: Solve for x
    x = 1,688,771,213,933,213.25/56,008,003.80
  6. Step 6: Final answer
    x = 30,152,319.30

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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.