Home / 193,103,999.20-289,655,998.80-47,536,404.40

Finding the Fourth Proportional to 193,103,999.20, 289,655,998.80 and 47,536,404.40

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Solution

The fourth proportional to 193,103,999.20, 289,655,998.80 and 47,536,404.40 is: 71,304,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,103,999.20 : 289,655,998.80 = 47,536,404.40 : x
  2. Step 2: Convert to fraction form
    193,103,999.20/289,655,998.80 = 47,536,404.40/x
  3. Step 3: Cross multiply
    193,103,999.20x = 289,655,998.80 × 47,536,404.40
  4. Step 4: Simplify right side
    193,103,999.20x = 13,769,204,695,842,714
  5. Step 5: Solve for x
    x = 13,769,204,695,842,714/193,103,999.20
  6. Step 6: Final answer
    x = 71,304,606.60

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1.5x scale

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.