Home / 262,358,556.80-393,775,780.80-133,056,118.40

Finding the Fourth Proportional to 262,358,556.80, 393,775,780.80 and 133,056,118.40

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Solution

The fourth proportional to 262,358,556.80, 393,775,780.80 and 133,056,118.40 is: 199,704,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,358,556.80 : 393,775,780.80 = 133,056,118.40 : x
  2. Step 2: Convert to fraction form
    262,358,556.80/393,775,780.80 = 133,056,118.40/x
  3. Step 3: Cross multiply
    262,358,556.80x = 393,775,780.80 × 133,056,118.40
  4. Step 4: Simplify right side
    262,358,556.80x = 52,394,276,913,177,248
  5. Step 5: Solve for x
    x = 52,394,276,913,177,248/262,358,556.80
  6. Step 6: Final answer
    x = 199,704,852.60

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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.