Home / 209,952,001.80-314,928,002.70-207,936,462.60

Finding the Fourth Proportional to 209,952,001.80, 314,928,002.70 and 207,936,462.60

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Solution

The fourth proportional to 209,952,001.80, 314,928,002.70 and 207,936,462.60 is: 311,904,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,001.80 : 314,928,002.70 = 207,936,462.60 : x
  2. Step 2: Convert to fraction form
    209,952,001.80/314,928,002.70 = 207,936,462.60/x
  3. Step 3: Cross multiply
    209,952,001.80x = 314,928,002.70 × 207,936,462.60
  4. Step 4: Simplify right side
    209,952,001.80x = 65,485,014,855,121,248
  5. Step 5: Solve for x
    x = 65,485,014,855,121,248/209,952,001.80
  6. Step 6: Final answer
    x = 311,904,693.90

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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.