Home / 121,453,809.90-182,180,714.85-109,738,488.30

Finding the Fourth Proportional to 121,453,809.90, 182,180,714.85 and 109,738,488.30

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Solution

The fourth proportional to 121,453,809.90, 182,180,714.85 and 109,738,488.30 is: 164,607,732.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,453,809.90 : 182,180,714.85 = 109,738,488.30 : x
  2. Step 2: Convert to fraction form
    121,453,809.90/182,180,714.85 = 109,738,488.30/x
  3. Step 3: Cross multiply
    121,453,809.90x = 182,180,714.85 × 109,738,488.30
  4. Step 4: Simplify right side
    121,453,809.90x = 19,992,236,245,052,360
  5. Step 5: Solve for x
    x = 19,992,236,245,052,360/121,453,809.90
  6. Step 6: Final answer
    x = 164,607,732.45

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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.