Home / 30,252,080.20-45,372,215.40-10,057,322.20

Finding the Fourth Proportional to 30,252,080.20, 45,372,215.40 and 10,057,322.20

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Solution

The fourth proportional to 30,252,080.20, 45,372,215.40 and 10,057,322.20 is: 15,084,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252,080.20 : 45,372,215.40 = 10,057,322.20 : x
  2. Step 2: Convert to fraction form
    30,252,080.20/45,372,215.40 = 10,057,322.20/x
  3. Step 3: Cross multiply
    30,252,080.20x = 45,372,215.40 × 10,057,322.20
  4. Step 4: Simplify right side
    30,252,080.20x = 456,322,989,205,601.81
  5. Step 5: Solve for x
    x = 456,322,989,205,601.81/30,252,080.20
  6. Step 6: Final answer
    x = 15,084,020.21

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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.