Home / 298,492,097.70-447,738,146.55-91,230,107.70

Finding the Fourth Proportional to 298,492,097.70, 447,738,146.55 and 91,230,107.70

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Solution

The fourth proportional to 298,492,097.70, 447,738,146.55 and 91,230,107.70 is: 136,845,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,492,097.70 : 447,738,146.55 = 91,230,107.70 : x
  2. Step 2: Convert to fraction form
    298,492,097.70/447,738,146.55 = 91,230,107.70/x
  3. Step 3: Cross multiply
    298,492,097.70x = 447,738,146.55 × 91,230,107.70
  4. Step 4: Simplify right side
    298,492,097.70x = 40,847,199,331,154,888
  5. Step 5: Solve for x
    x = 40,847,199,331,154,888/298,492,097.70
  6. Step 6: Final answer
    x = 136,845,161.55

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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.