Home / 194,940,021.30-292,410,031.95-79,886,325.30

Finding the Fourth Proportional to 194,940,021.30, 292,410,031.95 and 79,886,325.30

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Solution

The fourth proportional to 194,940,021.30, 292,410,031.95 and 79,886,325.30 is: 119,829,487.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,940,021.30 : 292,410,031.95 = 79,886,325.30 : x
  2. Step 2: Convert to fraction form
    194,940,021.30/292,410,031.95 = 79,886,325.30/x
  3. Step 3: Cross multiply
    194,940,021.30x = 292,410,031.95 × 79,886,325.30
  4. Step 4: Simplify right side
    194,940,021.30x = 23,359,562,933,341,092
  5. Step 5: Solve for x
    x = 23,359,562,933,341,092/194,940,021.30
  6. Step 6: Final answer
    x = 119,829,487.95

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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.