Home / 119,211,980.20-178,676,252.70-107,024,266.60

Finding the Fourth Proportional to 119,211,980.20, 178,676,252.70 and 107,024,266.60

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Solution

The fourth proportional to 119,211,980.20, 178,676,252.70 and 107,024,266.60 is: 160,409,170.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,211,980.20 : 178,676,252.70 = 107,024,266.60 : x
  2. Step 2: Convert to fraction form
    119,211,980.20/178,676,252.70 = 107,024,266.60/x
  3. Step 3: Cross multiply
    119,211,980.20x = 178,676,252.70 × 107,024,266.60
  4. Step 4: Simplify right side
    119,211,980.20x = 19,122,694,904,053,768
  5. Step 5: Solve for x
    x = 19,122,694,904,053,768/119,211,980.20
  6. Step 6: Final answer
    x = 160,409,170.89

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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.