Home / 210,385,229.40-315,577,844.10-202,323,072.60

Finding the Fourth Proportional to 210,385,229.40, 315,577,844.10 and 202,323,072.60

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Solution

The fourth proportional to 210,385,229.40, 315,577,844.10 and 202,323,072.60 is: 303,484,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,385,229.40 : 315,577,844.10 = 202,323,072.60 : x
  2. Step 2: Convert to fraction form
    210,385,229.40/315,577,844.10 = 202,323,072.60/x
  3. Step 3: Cross multiply
    210,385,229.40x = 315,577,844.10 × 202,323,072.60
  4. Step 4: Simplify right side
    210,385,229.40x = 63,848,679,062,795,784
  5. Step 5: Solve for x
    x = 63,848,679,062,795,784/210,385,229.40
  6. Step 6: Final answer
    x = 303,484,608.90

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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.