Home / 218,647,380.63-300,127,271.48-193,312,591.71

Finding the Fourth Proportional to 218,647,380.63, 300,127,271.48 and 193,312,591.71

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Solution

The fourth proportional to 218,647,380.63, 300,127,271.48 and 193,312,591.71 is: 265,351,364.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,647,380.63 : 300,127,271.48 = 193,312,591.71 : x
  2. Step 2: Convert to fraction form
    218,647,380.63/300,127,271.48 = 193,312,591.71/x
  3. Step 3: Cross multiply
    218,647,380.63x = 300,127,271.48 × 193,312,591.71
  4. Step 4: Simplify right side
    218,647,380.63x = 58,018,380,691,827,592
  5. Step 5: Solve for x
    x = 58,018,380,691,827,592/218,647,380.63
  6. Step 6: Final answer
    x = 265,351,364.03

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.