Home / 393,504,037.20-590,256,055.80-120,888,363.60

Finding the Fourth Proportional to 393,504,037.20, 590,256,055.80 and 120,888,363.60

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Solution

The fourth proportional to 393,504,037.20, 590,256,055.80 and 120,888,363.60 is: 181,332,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,504,037.20 : 590,256,055.80 = 120,888,363.60 : x
  2. Step 2: Convert to fraction form
    393,504,037.20/590,256,055.80 = 120,888,363.60/x
  3. Step 3: Cross multiply
    393,504,037.20x = 590,256,055.80 × 120,888,363.60
  4. Step 4: Simplify right side
    393,504,037.20x = 71,355,088,690,652,280
  5. Step 5: Solve for x
    x = 71,355,088,690,652,280/393,504,037.20
  6. Step 6: Final answer
    x = 181,332,545.40

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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.