Home / 209,952,186.30-314,928,279.45-207,936,647.10

Finding the Fourth Proportional to 209,952,186.30, 314,928,279.45 and 207,936,647.10

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Solution

The fourth proportional to 209,952,186.30, 314,928,279.45 and 207,936,647.10 is: 311,904,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,186.30 : 314,928,279.45 = 207,936,647.10 : x
  2. Step 2: Convert to fraction form
    209,952,186.30/314,928,279.45 = 207,936,647.10/x
  3. Step 3: Cross multiply
    209,952,186.30x = 314,928,279.45 × 207,936,647.10
  4. Step 4: Simplify right side
    209,952,186.30x = 65,485,130,505,804,824
  5. Step 5: Solve for x
    x = 65,485,130,505,804,824/209,952,186.30
  6. Step 6: Final answer
    x = 311,904,970.65

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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.