Home / 100,404,987.70-150,707,014.35-49,344,661.30

Finding the Fourth Proportional to 100,404,987.70, 150,707,014.35 and 49,344,661.30

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Solution

The fourth proportional to 100,404,987.70, 150,707,014.35 and 49,344,661.30 is: 74,065,907.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,404,987.70 : 150,707,014.35 = 49,344,661.30 : x
  2. Step 2: Convert to fraction form
    100,404,987.70/150,707,014.35 = 49,344,661.30/x
  3. Step 3: Cross multiply
    100,404,987.70x = 150,707,014.35 × 49,344,661.30
  4. Step 4: Simplify right side
    100,404,987.70x = 7,436,586,578,634,989
  5. Step 5: Solve for x
    x = 7,436,586,578,634,989/100,404,987.70
  6. Step 6: Final answer
    x = 74,065,907.97

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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.