Home / 74,709,980.39-103,099,953.04-41,672,369.36

Finding the Fourth Proportional to 74,709,980.39, 103,099,953.04 and 41,672,369.36

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Solution

The fourth proportional to 74,709,980.39, 103,099,953.04 and 41,672,369.36 is: 57,507,970.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,709,980.39 : 103,099,953.04 = 41,672,369.36 : x
  2. Step 2: Convert to fraction form
    74,709,980.39/103,099,953.04 = 41,672,369.36/x
  3. Step 3: Cross multiply
    74,709,980.39x = 103,099,953.04 × 41,672,369.36
  4. Step 4: Simplify right side
    74,709,980.39x = 4,296,419,324,642,984.50
  5. Step 5: Solve for x
    x = 4,296,419,324,642,984.50/74,709,980.39
  6. Step 6: Final answer
    x = 57,507,970.18

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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.