Home / 209,952,005.30-314,928,007.95-207,936,466.10

Finding the Fourth Proportional to 209,952,005.30, 314,928,007.95 and 207,936,466.10

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Solution

The fourth proportional to 209,952,005.30, 314,928,007.95 and 207,936,466.10 is: 311,904,699.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,005.30 : 314,928,007.95 = 207,936,466.10 : x
  2. Step 2: Convert to fraction form
    209,952,005.30/314,928,007.95 = 207,936,466.10/x
  3. Step 3: Cross multiply
    209,952,005.30x = 314,928,007.95 × 207,936,466.10
  4. Step 4: Simplify right side
    209,952,005.30x = 65,485,017,049,035,704
  5. Step 5: Solve for x
    x = 65,485,017,049,035,704/209,952,005.30
  6. Step 6: Final answer
    x = 311,904,699.15

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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.