Home / 203,158,103.65-280,359,617.93-110,338,611.49

Finding the Fourth Proportional to 203,158,103.65, 280,359,617.93 and 110,338,611.49

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Solution

The fourth proportional to 203,158,103.65, 280,359,617.93 and 110,338,611.49 is: 152,268,063.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,158,103.65 : 280,359,617.93 = 110,338,611.49 : x
  2. Step 2: Convert to fraction form
    203,158,103.65/280,359,617.93 = 110,338,611.49/x
  3. Step 3: Cross multiply
    203,158,103.65x = 280,359,617.93 × 110,338,611.49
  4. Step 4: Simplify right side
    203,158,103.65x = 30,934,490,960,263,108
  5. Step 5: Solve for x
    x = 30,934,490,960,263,108/203,158,103.65
  6. Step 6: Final answer
    x = 152,268,063.17

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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.