Home / 100,436,976.18-150,362,798.08-74,643,487.24

Finding the Fourth Proportional to 100,436,976.18, 150,362,798.08 and 74,643,487.24

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Solution

The fourth proportional to 100,436,976.18, 150,362,798.08 and 74,643,487.24 is: 111,747,725.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,436,976.18 : 150,362,798.08 = 74,643,487.24 : x
  2. Step 2: Convert to fraction form
    100,436,976.18/150,362,798.08 = 74,643,487.24/x
  3. Step 3: Cross multiply
    100,436,976.18x = 150,362,798.08 × 74,643,487.24
  4. Step 4: Simplify right side
    100,436,976.18x = 11,223,603,599,855,176
  5. Step 5: Solve for x
    x = 11,223,603,599,855,176/100,436,976.18
  6. Step 6: Final answer
    x = 111,747,725.06

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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.