Home / 203,012,900.16-280,150,552.90-114,905,005.57

Finding the Fourth Proportional to 203,012,900.16, 280,150,552.90 and 114,905,005.57

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Solution

The fourth proportional to 203,012,900.16, 280,150,552.90 and 114,905,005.57 is: 158,564,804.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,012,900.16 : 280,150,552.90 = 114,905,005.57 : x
  2. Step 2: Convert to fraction form
    203,012,900.16/280,150,552.90 = 114,905,005.57/x
  3. Step 3: Cross multiply
    203,012,900.16x = 280,150,552.90 × 114,905,005.57
  4. Step 4: Simplify right side
    203,012,900.16x = 32,190,700,841,413,076
  5. Step 5: Solve for x
    x = 32,190,700,841,413,076/203,012,900.16
  6. Step 6: Final answer
    x = 158,564,804.58

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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.