Home / 295,219,468.80-443,081,145.60-131,708,851.20

Finding the Fourth Proportional to 295,219,468.80, 443,081,145.60 and 131,708,851.20

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Solution

The fourth proportional to 295,219,468.80, 443,081,145.60 and 131,708,851.20 is: 197,675,678.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,219,468.80 : 443,081,145.60 = 131,708,851.20 : x
  2. Step 2: Convert to fraction form
    295,219,468.80/443,081,145.60 = 131,708,851.20/x
  3. Step 3: Cross multiply
    295,219,468.80x = 443,081,145.60 × 131,708,851.20
  4. Step 4: Simplify right side
    295,219,468.80x = 58,357,708,675,355,936
  5. Step 5: Solve for x
    x = 58,357,708,675,355,936/295,219,468.80
  6. Step 6: Final answer
    x = 197,675,678.07

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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.