Home / 196,679,917.20-295,019,875.80-53,072,518.80

Finding the Fourth Proportional to 196,679,917.20, 295,019,875.80 and 53,072,518.80

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Solution

The fourth proportional to 196,679,917.20, 295,019,875.80 and 53,072,518.80 is: 79,608,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,679,917.20 : 295,019,875.80 = 53,072,518.80 : x
  2. Step 2: Convert to fraction form
    196,679,917.20/295,019,875.80 = 53,072,518.80/x
  3. Step 3: Cross multiply
    196,679,917.20x = 295,019,875.80 × 53,072,518.80
  4. Step 4: Simplify right side
    196,679,917.20x = 15,657,447,904,769,164
  5. Step 5: Solve for x
    x = 15,657,447,904,769,164/196,679,917.20
  6. Step 6: Final answer
    x = 79,608,778.20

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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.