Home / 248,852,512.80-373,278,769.20-212,572,807.20

Finding the Fourth Proportional to 248,852,512.80, 373,278,769.20 and 212,572,807.20

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Solution

The fourth proportional to 248,852,512.80, 373,278,769.20 and 212,572,807.20 is: 318,859,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,852,512.80 : 373,278,769.20 = 212,572,807.20 : x
  2. Step 2: Convert to fraction form
    248,852,512.80/373,278,769.20 = 212,572,807.20/x
  3. Step 3: Cross multiply
    248,852,512.80x = 373,278,769.20 × 212,572,807.20
  4. Step 4: Simplify right side
    248,852,512.80x = 79,348,915,837,004,896
  5. Step 5: Solve for x
    x = 79,348,915,837,004,896/248,852,512.80
  6. Step 6: Final answer
    x = 318,859,210.80

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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.