Home / 161,860,012.40-242,790,018.60-112,542,287.60

Finding the Fourth Proportional to 161,860,012.40, 242,790,018.60 and 112,542,287.60

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Solution

The fourth proportional to 161,860,012.40, 242,790,018.60 and 112,542,287.60 is: 168,813,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,860,012.40 : 242,790,018.60 = 112,542,287.60 : x
  2. Step 2: Convert to fraction form
    161,860,012.40/242,790,018.60 = 112,542,287.60/x
  3. Step 3: Cross multiply
    161,860,012.40x = 242,790,018.60 × 112,542,287.60
  4. Step 4: Simplify right side
    161,860,012.40x = 27,324,144,099,690,548
  5. Step 5: Solve for x
    x = 27,324,144,099,690,548/161,860,012.40
  6. Step 6: Final answer
    x = 168,813,431.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.