Home / 74,669,063.85-103,042,940.01-43,313,454.36

Finding the Fourth Proportional to 74,669,063.85, 103,042,940.01 and 43,313,454.36

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Solution

The fourth proportional to 74,669,063.85, 103,042,940.01 and 43,313,454.36 is: 59,772,353.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,669,063.85 : 103,042,940.01 = 43,313,454.36 : x
  2. Step 2: Convert to fraction form
    74,669,063.85/103,042,940.01 = 43,313,454.36/x
  3. Step 3: Cross multiply
    74,669,063.85x = 103,042,940.01 × 43,313,454.36
  4. Step 4: Simplify right side
    74,669,063.85x = 4,463,145,679,243,353
  5. Step 5: Solve for x
    x = 4,463,145,679,243,353/74,669,063.85
  6. Step 6: Final answer
    x = 59,772,353.49

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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.