Home / 188,749,899.40-260,482,942.32-105,118,029.55

Finding the Fourth Proportional to 188,749,899.40, 260,482,942.32 and 105,118,029.55

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Solution

The fourth proportional to 188,749,899.40, 260,482,942.32 and 105,118,029.55 is: 145,067,381.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,749,899.40 : 260,482,942.32 = 105,118,029.55 : x
  2. Step 2: Convert to fraction form
    188,749,899.40/260,482,942.32 = 105,118,029.55/x
  3. Step 3: Cross multiply
    188,749,899.40x = 260,482,942.32 × 105,118,029.55
  4. Step 4: Simplify right side
    188,749,899.40x = 27,381,453,628,292,548
  5. Step 5: Solve for x
    x = 27,381,453,628,292,548/188,749,899.40
  6. Step 6: Final answer
    x = 145,067,381.31

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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.