Home / 193,558,868.20-290,338,302.30-96,812,986.60

Finding the Fourth Proportional to 193,558,868.20, 290,338,302.30 and 96,812,986.60

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Solution

The fourth proportional to 193,558,868.20, 290,338,302.30 and 96,812,986.60 is: 145,219,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,558,868.20 : 290,338,302.30 = 96,812,986.60 : x
  2. Step 2: Convert to fraction form
    193,558,868.20/290,338,302.30 = 96,812,986.60/x
  3. Step 3: Cross multiply
    193,558,868.20x = 290,338,302.30 × 96,812,986.60
  4. Step 4: Simplify right side
    193,558,868.20x = 28,108,518,170,036,648
  5. Step 5: Solve for x
    x = 28,108,518,170,036,648/193,558,868.20
  6. Step 6: Final answer
    x = 145,219,479.90

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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.