Home / 203,012,908.34-280,150,564.21-114,905,013.81

Finding the Fourth Proportional to 203,012,908.34, 280,150,564.21 and 114,905,013.81

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Solution

The fourth proportional to 203,012,908.34, 280,150,564.21 and 114,905,013.81 is: 158,564,815.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,012,908.34 : 280,150,564.21 = 114,905,013.81 : x
  2. Step 2: Convert to fraction form
    203,012,908.34/280,150,564.21 = 114,905,013.81/x
  3. Step 3: Cross multiply
    203,012,908.34x = 280,150,564.21 × 114,905,013.81
  4. Step 4: Simplify right side
    203,012,908.34x = 32,190,704,448,737,280
  5. Step 5: Solve for x
    x = 32,190,704,448,737,280/203,012,908.34
  6. Step 6: Final answer
    x = 158,564,815.96

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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.