Home / 263,896,274.20-395,844,411.30-72,420,050.20

Finding the Fourth Proportional to 263,896,274.20, 395,844,411.30 and 72,420,050.20

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Solution

The fourth proportional to 263,896,274.20, 395,844,411.30 and 72,420,050.20 is: 108,630,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,896,274.20 : 395,844,411.30 = 72,420,050.20 : x
  2. Step 2: Convert to fraction form
    263,896,274.20/395,844,411.30 = 72,420,050.20/x
  3. Step 3: Cross multiply
    263,896,274.20x = 395,844,411.30 × 72,420,050.20
  4. Step 4: Simplify right side
    263,896,274.20x = 28,667,072,137,735,448
  5. Step 5: Solve for x
    x = 28,667,072,137,735,448/263,896,274.20
  6. Step 6: Final answer
    x = 108,630,075.30

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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.