Home / 193,432,676.80-290,149,015.20-168,238,436.80

Finding the Fourth Proportional to 193,432,676.80, 290,149,015.20 and 168,238,436.80

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Solution

The fourth proportional to 193,432,676.80, 290,149,015.20 and 168,238,436.80 is: 252,357,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,432,676.80 : 290,149,015.20 = 168,238,436.80 : x
  2. Step 2: Convert to fraction form
    193,432,676.80/290,149,015.20 = 168,238,436.80/x
  3. Step 3: Cross multiply
    193,432,676.80x = 290,149,015.20 × 168,238,436.80
  4. Step 4: Simplify right side
    193,432,676.80x = 48,814,216,756,307,440
  5. Step 5: Solve for x
    x = 48,814,216,756,307,440/193,432,676.80
  6. Step 6: Final answer
    x = 252,357,655.20

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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.