Home / 168,545,353.80-252,818,031.31-47,376,805.80

Finding the Fourth Proportional to 168,545,353.80, 252,818,031.31 and 47,376,805.80

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Solution

The fourth proportional to 168,545,353.80, 252,818,031.31 and 47,376,805.80 is: 71,065,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,545,353.80 : 252,818,031.31 = 47,376,805.80 : x
  2. Step 2: Convert to fraction form
    168,545,353.80/252,818,031.31 = 47,376,805.80/x
  3. Step 3: Cross multiply
    168,545,353.80x = 252,818,031.31 × 47,376,805.80
  4. Step 4: Simplify right side
    168,545,353.80x = 11,977,710,772,112,188
  5. Step 5: Solve for x
    x = 11,977,710,772,112,188/168,545,353.80
  6. Step 6: Final answer
    x = 71,065,208.87

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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.