Home / 284,328,003.80-426,492,005.70-131,272,995.80

Finding the Fourth Proportional to 284,328,003.80, 426,492,005.70 and 131,272,995.80

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Solution

The fourth proportional to 284,328,003.80, 426,492,005.70 and 131,272,995.80 is: 196,909,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,328,003.80 : 426,492,005.70 = 131,272,995.80 : x
  2. Step 2: Convert to fraction form
    284,328,003.80/426,492,005.70 = 131,272,995.80/x
  3. Step 3: Cross multiply
    284,328,003.80x = 426,492,005.70 × 131,272,995.80
  4. Step 4: Simplify right side
    284,328,003.80x = 55,986,883,272,989,672
  5. Step 5: Solve for x
    x = 55,986,883,272,989,672/284,328,003.80
  6. Step 6: Final answer
    x = 196,909,493.70

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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.