Home / 196,993,437.80-295,490,156.70-115,364,100.20

Finding the Fourth Proportional to 196,993,437.80, 295,490,156.70 and 115,364,100.20

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Solution

The fourth proportional to 196,993,437.80, 295,490,156.70 and 115,364,100.20 is: 173,046,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,993,437.80 : 295,490,156.70 = 115,364,100.20 : x
  2. Step 2: Convert to fraction form
    196,993,437.80/295,490,156.70 = 115,364,100.20/x
  3. Step 3: Cross multiply
    196,993,437.80x = 295,490,156.70 × 115,364,100.20
  4. Step 4: Simplify right side
    196,993,437.80x = 34,088,956,045,652,500
  5. Step 5: Solve for x
    x = 34,088,956,045,652,500/196,993,437.80
  6. Step 6: Final answer
    x = 173,046,150.30

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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.