Home / 100,220,829.06-150,340,907.73-31,115,078.04

Finding the Fourth Proportional to 100,220,829.06, 150,340,907.73 and 31,115,078.04

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Solution

The fourth proportional to 100,220,829.06, 150,340,907.73 and 31,115,078.04 is: 46,675,617.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,220,829.06 : 150,340,907.73 = 31,115,078.04 : x
  2. Step 2: Convert to fraction form
    100,220,829.06/150,340,907.73 = 31,115,078.04/x
  3. Step 3: Cross multiply
    100,220,829.06x = 150,340,907.73 × 31,115,078.04
  4. Step 4: Simplify right side
    100,220,829.06x = 4,677,869,076,623,389
  5. Step 5: Solve for x
    x = 4,677,869,076,623,389/100,220,829.06
  6. Step 6: Final answer
    x = 46,675,617.44

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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.