Home / 203,012,890.30-280,150,539.28-114,904,995.76

Finding the Fourth Proportional to 203,012,890.30, 280,150,539.28 and 114,904,995.76

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Solution

The fourth proportional to 203,012,890.30, 280,150,539.28 and 114,904,995.76 is: 158,564,791.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,012,890.30 : 280,150,539.28 = 114,904,995.76 : x
  2. Step 2: Convert to fraction form
    203,012,890.30/280,150,539.28 = 114,904,995.76/x
  3. Step 3: Cross multiply
    203,012,890.30x = 280,150,539.28 × 114,904,995.76
  4. Step 4: Simplify right side
    203,012,890.30x = 32,190,696,528,130,112
  5. Step 5: Solve for x
    x = 32,190,696,528,130,112/203,012,890.30
  6. Step 6: Final answer
    x = 158,564,791.04

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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.