Home / 223,003,949.02-307,621,475.24-207,221,578.32

Finding the Fourth Proportional to 223,003,949.02, 307,621,475.24 and 207,221,578.32

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Solution

The fourth proportional to 223,003,949.02, 307,621,475.24 and 207,221,578.32 is: 285,850,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,003,949.02 : 307,621,475.24 = 207,221,578.32 : x
  2. Step 2: Convert to fraction form
    223,003,949.02/307,621,475.24 = 207,221,578.32/x
  3. Step 3: Cross multiply
    223,003,949.02x = 307,621,475.24 × 207,221,578.32
  4. Step 4: Simplify right side
    223,003,949.02x = 63,745,807,624,359,600
  5. Step 5: Solve for x
    x = 63,745,807,624,359,600/223,003,949.02
  6. Step 6: Final answer
    x = 285,850,577.55

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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.