Home / 74,669,069.70-103,042,948.11-43,313,460.21

Finding the Fourth Proportional to 74,669,069.70, 103,042,948.11 and 43,313,460.21

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Solution

The fourth proportional to 74,669,069.70, 103,042,948.11 and 43,313,460.21 is: 59,772,361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,669,069.70 : 103,042,948.11 = 43,313,460.21 : x
  2. Step 2: Convert to fraction form
    74,669,069.70/103,042,948.11 = 43,313,460.21/x
  3. Step 3: Cross multiply
    74,669,069.70x = 103,042,948.11 × 43,313,460.21
  4. Step 4: Simplify right side
    74,669,069.70x = 4,463,146,633,174,808.50
  5. Step 5: Solve for x
    x = 4,463,146,633,174,808.50/74,669,069.70
  6. Step 6: Final answer
    x = 59,772,361.58

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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.