Home / 74,669,065.38-103,042,942.07-43,313,455.89

Finding the Fourth Proportional to 74,669,065.38, 103,042,942.07 and 43,313,455.89

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Solution

The fourth proportional to 74,669,065.38, 103,042,942.07 and 43,313,455.89 is: 59,772,355.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,669,065.38 : 103,042,942.07 = 43,313,455.89 : x
  2. Step 2: Convert to fraction form
    74,669,065.38/103,042,942.07 = 43,313,455.89/x
  3. Step 3: Cross multiply
    74,669,065.38x = 103,042,942.07 × 43,313,455.89
  4. Step 4: Simplify right side
    74,669,065.38x = 4,463,145,925,908,203
  5. Step 5: Solve for x
    x = 4,463,145,925,908,203/74,669,065.38
  6. Step 6: Final answer
    x = 59,772,355.57

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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.