Home / 284,251,640.58-426,418,075.89-87,531,670.98

Finding the Fourth Proportional to 284,251,640.58, 426,418,075.89 and 87,531,670.98

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Solution

The fourth proportional to 284,251,640.58, 426,418,075.89 and 87,531,670.98 is: 131,310,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,251,640.58 : 426,418,075.89 = 87,531,670.98 : x
  2. Step 2: Convert to fraction form
    284,251,640.58/426,418,075.89 = 87,531,670.98/x
  3. Step 3: Cross multiply
    284,251,640.58x = 426,418,075.89 × 87,531,670.98
  4. Step 4: Simplify right side
    284,251,640.58x = 37,325,086,718,728,152
  5. Step 5: Solve for x
    x = 37,325,086,718,728,152/284,251,640.58
  6. Step 6: Final answer
    x = 131,310,013.35

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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.