Home / 196,830,553.80-295,245,830.70-142,127,560.20

Finding the Fourth Proportional to 196,830,553.80, 295,245,830.70 and 142,127,560.20

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Solution

The fourth proportional to 196,830,553.80, 295,245,830.70 and 142,127,560.20 is: 213,191,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,830,553.80 : 295,245,830.70 = 142,127,560.20 : x
  2. Step 2: Convert to fraction form
    196,830,553.80/295,245,830.70 = 142,127,560.20/x
  3. Step 3: Cross multiply
    196,830,553.80x = 295,245,830.70 × 142,127,560.20
  4. Step 4: Simplify right side
    196,830,553.80x = 41,962,569,576,613,256
  5. Step 5: Solve for x
    x = 41,962,569,576,613,256/196,830,553.80
  6. Step 6: Final answer
    x = 213,191,340.30

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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.