Home / 135,868,847,061.85-187,499,575,279.58-74,899,874,879.37

Finding the Fourth Proportional to 135,868,847,061.85, 187,499,575,279.58 and 74,899,874,879.37

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Solution

The fourth proportional to 135,868,847,061.85, 187,499,575,279.58 and 74,899,874,879.37 is: 103,362,139,534.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,868,847,061.85 : 187,499,575,279.58 = 74,899,874,879.37 : x
  2. Step 2: Convert to fraction form
    135,868,847,061.85/187,499,575,279.58 = 74,899,874,879.37/x
  3. Step 3: Cross multiply
    135,868,847,061.85x = 187,499,575,279.58 × 74,899,874,879.37
  4. Step 4: Simplify right side
    135,868,847,061.85x = 14,043,694,728,376,305,582,080
  5. Step 5: Solve for x
    x = 14,043,694,728,376,305,582,080/135,868,847,061.85
  6. Step 6: Final answer
    x = 103,362,139,534.34

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1.5x scale

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.