Home / 208,226,820.30-312,340,230.45-106,190,148.30

Finding the Fourth Proportional to 208,226,820.30, 312,340,230.45 and 106,190,148.30

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Solution

The fourth proportional to 208,226,820.30, 312,340,230.45 and 106,190,148.30 is: 159,285,222.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,226,820.30 : 312,340,230.45 = 106,190,148.30 : x
  2. Step 2: Convert to fraction form
    208,226,820.30/312,340,230.45 = 106,190,148.30/x
  3. Step 3: Cross multiply
    208,226,820.30x = 312,340,230.45 × 106,190,148.30
  4. Step 4: Simplify right side
    208,226,820.30x = 33,167,455,391,541,672
  5. Step 5: Solve for x
    x = 33,167,455,391,541,672/208,226,820.30
  6. Step 6: Final answer
    x = 159,285,222.45

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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.