Home / 149,794,042.98-206,722,163.40-83,714,539.32

Finding the Fourth Proportional to 149,794,042.98, 206,722,163.40 and 83,714,539.32

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Solution

The fourth proportional to 149,794,042.98, 206,722,163.40 and 83,714,539.32 is: 115,529,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,794,042.98 : 206,722,163.40 = 83,714,539.32 : x
  2. Step 2: Convert to fraction form
    149,794,042.98/206,722,163.40 = 83,714,539.32/x
  3. Step 3: Cross multiply
    149,794,042.98x = 206,722,163.40 × 83,714,539.32
  4. Step 4: Simplify right side
    149,794,042.98x = 17,305,650,676,264,764
  5. Step 5: Solve for x
    x = 17,305,650,676,264,764/149,794,042.98
  6. Step 6: Final answer
    x = 115,529,632.10

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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.