Home / 355,869,631.80-533,884,940.28-192,103,873.56

Finding the Fourth Proportional to 355,869,631.80, 533,884,940.28 and 192,103,873.56

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Solution

The fourth proportional to 355,869,631.80, 533,884,940.28 and 192,103,873.56 is: 288,199,261.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,869,631.80 : 533,884,940.28 = 192,103,873.56 : x
  2. Step 2: Convert to fraction form
    355,869,631.80/533,884,940.28 = 192,103,873.56/x
  3. Step 3: Cross multiply
    355,869,631.80x = 533,884,940.28 × 192,103,873.56
  4. Step 4: Simplify right side
    355,869,631.80x = 102,561,365,063,137,264
  5. Step 5: Solve for x
    x = 102,561,365,063,137,264/355,869,631.80
  6. Step 6: Final answer
    x = 288,199,261.47

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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.