Home / 74,010,117.28-102,134,769.92-40,970,918.28

Finding the Fourth Proportional to 74,010,117.28, 102,134,769.92 and 40,970,918.28

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Solution

The fourth proportional to 74,010,117.28, 102,134,769.92 and 40,970,918.28 is: 56,540,314.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,010,117.28 : 102,134,769.92 = 40,970,918.28 : x
  2. Step 2: Convert to fraction form
    74,010,117.28/102,134,769.92 = 40,970,918.28/x
  3. Step 3: Cross multiply
    74,010,117.28x = 102,134,769.92 × 40,970,918.28
  4. Step 4: Simplify right side
    74,010,117.28x = 4,184,555,311,938,922.50
  5. Step 5: Solve for x
    x = 4,184,555,311,938,922.50/74,010,117.28
  6. Step 6: Final answer
    x = 56,540,314.56

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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.