Home / 129,024,273.20-193,536,409.80-97,173,777.20

Finding the Fourth Proportional to 129,024,273.20, 193,536,409.80 and 97,173,777.20

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Solution

The fourth proportional to 129,024,273.20, 193,536,409.80 and 97,173,777.20 is: 145,760,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,024,273.20 : 193,536,409.80 = 97,173,777.20 : x
  2. Step 2: Convert to fraction form
    129,024,273.20/193,536,409.80 = 97,173,777.20/x
  3. Step 3: Cross multiply
    129,024,273.20x = 193,536,409.80 × 97,173,777.20
  4. Step 4: Simplify right side
    129,024,273.20x = 18,806,663,965,993,100
  5. Step 5: Solve for x
    x = 18,806,663,965,993,100/129,024,273.20
  6. Step 6: Final answer
    x = 145,760,665.80

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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.