Home / 122,490,156.30-183,735,234.45-109,097,843.10

Finding the Fourth Proportional to 122,490,156.30, 183,735,234.45 and 109,097,843.10

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Solution

The fourth proportional to 122,490,156.30, 183,735,234.45 and 109,097,843.10 is: 163,646,764.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,490,156.30 : 183,735,234.45 = 109,097,843.10 : x
  2. Step 2: Convert to fraction form
    122,490,156.30/183,735,234.45 = 109,097,843.10/x
  3. Step 3: Cross multiply
    122,490,156.30x = 183,735,234.45 × 109,097,843.10
  4. Step 4: Simplify right side
    122,490,156.30x = 20,045,117,779,967,812
  5. Step 5: Solve for x
    x = 20,045,117,779,967,812/122,490,156.30
  6. Step 6: Final answer
    x = 163,646,764.65

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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.