Home / 263,916,193.20-395,973,822.60-127,722,145.20

Finding the Fourth Proportional to 263,916,193.20, 395,973,822.60 and 127,722,145.20

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Solution

The fourth proportional to 263,916,193.20, 395,973,822.60 and 127,722,145.20 is: 191,631,386.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,916,193.20 : 395,973,822.60 = 127,722,145.20 : x
  2. Step 2: Convert to fraction form
    263,916,193.20/395,973,822.60 = 127,722,145.20/x
  3. Step 3: Cross multiply
    263,916,193.20x = 395,973,822.60 × 127,722,145.20
  4. Step 4: Simplify right side
    263,916,193.20x = 50,574,626,065,516,248
  5. Step 5: Solve for x
    x = 50,574,626,065,516,248/263,916,193.20
  6. Step 6: Final answer
    x = 191,631,386.66

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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.