Home / 275,295,786.37-379,918,210.36-149,841,919.17

Finding the Fourth Proportional to 275,295,786.37, 379,918,210.36 and 149,841,919.17

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Solution

The fourth proportional to 275,295,786.37, 379,918,210.36 and 149,841,919.17 is: 206,787,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,295,786.37 : 379,918,210.36 = 149,841,919.17 : x
  2. Step 2: Convert to fraction form
    275,295,786.37/379,918,210.36 = 149,841,919.17/x
  3. Step 3: Cross multiply
    275,295,786.37x = 379,918,210.36 × 149,841,919.17
  4. Step 4: Simplify right side
    275,295,786.37x = 56,927,673,767,974,176
  5. Step 5: Solve for x
    x = 56,927,673,767,974,176/275,295,786.37
  6. Step 6: Final answer
    x = 206,787,305.10

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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.