Home / 196,830,401.60-295,245,602.40-131,782,023.20

Finding the Fourth Proportional to 196,830,401.60, 295,245,602.40 and 131,782,023.20

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Solution

The fourth proportional to 196,830,401.60, 295,245,602.40 and 131,782,023.20 is: 197,673,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,830,401.60 : 295,245,602.40 = 131,782,023.20 : x
  2. Step 2: Convert to fraction form
    196,830,401.60/295,245,602.40 = 131,782,023.20/x
  3. Step 3: Cross multiply
    196,830,401.60x = 295,245,602.40 × 131,782,023.20
  4. Step 4: Simplify right side
    196,830,401.60x = 38,908,062,825,174,776
  5. Step 5: Solve for x
    x = 38,908,062,825,174,776/196,830,401.60
  6. Step 6: Final answer
    x = 197,673,034.80

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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.