Home / 218,067,459.15-300,934,029.20-118,950,366.54

Finding the Fourth Proportional to 218,067,459.15, 300,934,029.20 and 118,950,366.54

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Solution

The fourth proportional to 218,067,459.15, 300,934,029.20 and 118,950,366.54 is: 164,152,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,067,459.15 : 300,934,029.20 = 118,950,366.54 : x
  2. Step 2: Convert to fraction form
    218,067,459.15/300,934,029.20 = 118,950,366.54/x
  3. Step 3: Cross multiply
    218,067,459.15x = 300,934,029.20 × 118,950,366.54
  4. Step 4: Simplify right side
    218,067,459.15x = 35,796,213,075,599,640
  5. Step 5: Solve for x
    x = 35,796,213,075,599,640/218,067,459.15
  6. Step 6: Final answer
    x = 164,152,016.15

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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.