Home / 168,476,220.34-252,729,752.91-47,306,855.86

Finding the Fourth Proportional to 168,476,220.34, 252,729,752.91 and 47,306,855.86

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Solution

The fourth proportional to 168,476,220.34, 252,729,752.91 and 47,306,855.86 is: 70,964,614.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,476,220.34 : 252,729,752.91 = 47,306,855.86 : x
  2. Step 2: Convert to fraction form
    168,476,220.34/252,729,752.91 = 47,306,855.86/x
  3. Step 3: Cross multiply
    168,476,220.34x = 252,729,752.91 × 47,306,855.86
  4. Step 4: Simplify right side
    168,476,220.34x = 11,955,849,992,446,786
  5. Step 5: Solve for x
    x = 11,955,849,992,446,786/168,476,220.34
  6. Step 6: Final answer
    x = 70,964,614.28

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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.