Home / 263,472,079.20-394,924,683.60-99,646,533.60

Finding the Fourth Proportional to 263,472,079.20, 394,924,683.60 and 99,646,533.60

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Solution

The fourth proportional to 263,472,079.20, 394,924,683.60 and 99,646,533.60 is: 149,362,603.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,472,079.20 : 394,924,683.60 = 99,646,533.60 : x
  2. Step 2: Convert to fraction form
    263,472,079.20/394,924,683.60 = 99,646,533.60/x
  3. Step 3: Cross multiply
    263,472,079.20x = 394,924,683.60 × 99,646,533.60
  4. Step 4: Simplify right side
    263,472,079.20x = 39,352,875,753,816,768
  5. Step 5: Solve for x
    x = 39,352,875,753,816,768/263,472,079.20
  6. Step 6: Final answer
    x = 149,362,603.71

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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.