Home / 135,868,846,992.72-187,499,575,184.24-74,899,874,810.24

Finding the Fourth Proportional to 135,868,846,992.72, 187,499,575,184.24 and 74,899,874,810.24

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Solution

The fourth proportional to 135,868,846,992.72, 187,499,575,184.24 and 74,899,874,810.24 is: 103,362,139,438.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,868,846,992.72 : 187,499,575,184.24 = 74,899,874,810.24 : x
  2. Step 2: Convert to fraction form
    135,868,846,992.72/187,499,575,184.24 = 74,899,874,810.24/x
  3. Step 3: Cross multiply
    135,868,846,992.72x = 187,499,575,184.24 × 74,899,874,810.24
  4. Step 4: Simplify right side
    135,868,846,992.72x = 14,043,694,708,272,759,046,144
  5. Step 5: Solve for x
    x = 14,043,694,708,272,759,046,144/135,868,846,992.72
  6. Step 6: Final answer
    x = 103,362,139,438.96

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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.