Home / 196,830,400.80-295,245,601.20-193,429,178.40

Finding the Fourth Proportional to 196,830,400.80, 295,245,601.20 and 193,429,178.40

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Solution

The fourth proportional to 196,830,400.80, 295,245,601.20 and 193,429,178.40 is: 290,143,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,830,400.80 : 295,245,601.20 = 193,429,178.40 : x
  2. Step 2: Convert to fraction form
    196,830,400.80/295,245,601.20 = 193,429,178.40/x
  3. Step 3: Cross multiply
    196,830,400.80x = 295,245,601.20 × 193,429,178.40
  4. Step 4: Simplify right side
    196,830,400.80x = 57,109,114,066,330,056
  5. Step 5: Solve for x
    x = 57,109,114,066,330,056/196,830,400.80
  6. Step 6: Final answer
    x = 290,143,767.60

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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.