Home / 393,986,384.80-590,979,577.20-106,772,048.80

Finding the Fourth Proportional to 393,986,384.80, 590,979,577.20 and 106,772,048.80

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Solution

The fourth proportional to 393,986,384.80, 590,979,577.20 and 106,772,048.80 is: 160,158,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,986,384.80 : 590,979,577.20 = 106,772,048.80 : x
  2. Step 2: Convert to fraction form
    393,986,384.80/590,979,577.20 = 106,772,048.80/x
  3. Step 3: Cross multiply
    393,986,384.80x = 590,979,577.20 × 106,772,048.80
  4. Step 4: Simplify right side
    393,986,384.80x = 63,100,100,256,601,768
  5. Step 5: Solve for x
    x = 63,100,100,256,601,768/393,986,384.80
  6. Step 6: Final answer
    x = 160,158,073.20

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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.