Home / 340,520,091.44-510,780,143.89-81,735,311.72

Finding the Fourth Proportional to 340,520,091.44, 510,780,143.89 and 81,735,311.72

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Solution

The fourth proportional to 340,520,091.44, 510,780,143.89 and 81,735,311.72 is: 122,602,969.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,520,091.44 : 510,780,143.89 = 81,735,311.72 : x
  2. Step 2: Convert to fraction form
    340,520,091.44/510,780,143.89 = 81,735,311.72/x
  3. Step 3: Cross multiply
    340,520,091.44x = 510,780,143.89 × 81,735,311.72
  4. Step 4: Simplify right side
    340,520,091.44x = 41,748,774,278,783,872
  5. Step 5: Solve for x
    x = 41,748,774,278,783,872/340,520,091.44
  6. Step 6: Final answer
    x = 122,602,969.19

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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.