Home / 74,010,116.78-102,134,769.23-40,970,917.79

Finding the Fourth Proportional to 74,010,116.78, 102,134,769.23 and 40,970,917.79

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Solution

The fourth proportional to 74,010,116.78, 102,134,769.23 and 40,970,917.79 is: 56,540,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,010,116.78 : 102,134,769.23 = 40,970,917.79 : x
  2. Step 2: Convert to fraction form
    74,010,116.78/102,134,769.23 = 40,970,917.79/x
  3. Step 3: Cross multiply
    74,010,116.78x = 102,134,769.23 × 40,970,917.79
  4. Step 4: Simplify right side
    74,010,116.78x = 4,184,555,232,907,422.50
  5. Step 5: Solve for x
    x = 4,184,555,232,907,422.50/74,010,116.78
  6. Step 6: Final answer
    x = 56,540,313.88

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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.