Home / 275,319,389.80-412,979,084.70-250,237,124.20

Finding the Fourth Proportional to 275,319,389.80, 412,979,084.70 and 250,237,124.20

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Solution

The fourth proportional to 275,319,389.80, 412,979,084.70 and 250,237,124.20 is: 375,355,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,319,389.80 : 412,979,084.70 = 250,237,124.20 : x
  2. Step 2: Convert to fraction form
    275,319,389.80/412,979,084.70 = 250,237,124.20/x
  3. Step 3: Cross multiply
    275,319,389.80x = 412,979,084.70 × 250,237,124.20
  4. Step 4: Simplify right side
    275,319,389.80x = 103,342,698,510,076,208
  5. Step 5: Solve for x
    x = 103,342,698,510,076,208/275,319,389.80
  6. Step 6: Final answer
    x = 375,355,686.30

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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.