Home / 56,804,537,611.49-78,391,179,000.42-31,086,052,190.20

Finding the Fourth Proportional to 56,804,537,611.49, 78,391,179,000.42 and 31,086,052,190.20

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Solution

The fourth proportional to 56,804,537,611.49, 78,391,179,000.42 and 31,086,052,190.20 is: 42,899,253,899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,804,537,611.49 : 78,391,179,000.42 = 31,086,052,190.20 : x
  2. Step 2: Convert to fraction form
    56,804,537,611.49/78,391,179,000.42 = 31,086,052,190.20/x
  3. Step 3: Cross multiply
    56,804,537,611.49x = 78,391,179,000.42 × 31,086,052,190.20
  4. Step 4: Simplify right side
    56,804,537,611.49x = 2,436,872,281,657,974,456,320
  5. Step 5: Solve for x
    x = 2,436,872,281,657,974,456,320/56,804,537,611.49
  6. Step 6: Final answer
    x = 42,899,253,899.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.