Home / 218,067,466.38-300,934,039.20-118,950,373.80

Finding the Fourth Proportional to 218,067,466.38, 300,934,039.20 and 118,950,373.80

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Solution

The fourth proportional to 218,067,466.38, 300,934,039.20 and 118,950,373.80 is: 164,152,026.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,067,466.38 : 300,934,039.20 = 118,950,373.80 : x
  2. Step 2: Convert to fraction form
    218,067,466.38/300,934,039.20 = 118,950,373.80/x
  3. Step 3: Cross multiply
    218,067,466.38x = 300,934,039.20 × 118,950,373.80
  4. Step 4: Simplify right side
    218,067,466.38x = 35,796,216,451,983,852
  5. Step 5: Solve for x
    x = 35,796,216,451,983,852/218,067,466.38
  6. Step 6: Final answer
    x = 164,152,026.19

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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.