Home / 91,874,556.81-137,804,603.54-40,057,936.65

Finding the Fourth Proportional to 91,874,556.81, 137,804,603.54 and 40,057,936.65

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Solution

The fourth proportional to 91,874,556.81, 137,804,603.54 and 40,057,936.65 is: 60,083,751.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,874,556.81 : 137,804,603.54 = 40,057,936.65 : x
  2. Step 2: Convert to fraction form
    91,874,556.81/137,804,603.54 = 40,057,936.65/x
  3. Step 3: Cross multiply
    91,874,556.81x = 137,804,603.54 × 40,057,936.65
  4. Step 4: Simplify right side
    91,874,556.81x = 5,520,168,078,483,396
  5. Step 5: Solve for x
    x = 5,520,168,078,483,396/91,874,556.81
  6. Step 6: Final answer
    x = 60,083,751.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.