Home / 209,952,228.30-314,928,342.45-189,796,836.30

Finding the Fourth Proportional to 209,952,228.30, 314,928,342.45 and 189,796,836.30

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Solution

The fourth proportional to 209,952,228.30, 314,928,342.45 and 189,796,836.30 is: 284,695,254.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,228.30 : 314,928,342.45 = 189,796,836.30 : x
  2. Step 2: Convert to fraction form
    209,952,228.30/314,928,342.45 = 189,796,836.30/x
  3. Step 3: Cross multiply
    209,952,228.30x = 314,928,342.45 × 189,796,836.30
  4. Step 4: Simplify right side
    209,952,228.30x = 59,772,403,058,212,992
  5. Step 5: Solve for x
    x = 59,772,403,058,212,992/209,952,228.30
  6. Step 6: Final answer
    x = 284,695,254.45

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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.