Home / 248,239,597.57-342,570,628.42-143,878,203.81

Finding the Fourth Proportional to 248,239,597.57, 342,570,628.42 and 143,878,203.81

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Solution

The fourth proportional to 248,239,597.57, 342,570,628.42 and 143,878,203.81 is: 198,551,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,239,597.57 : 342,570,628.42 = 143,878,203.81 : x
  2. Step 2: Convert to fraction form
    248,239,597.57/342,570,628.42 = 143,878,203.81/x
  3. Step 3: Cross multiply
    248,239,597.57x = 342,570,628.42 × 143,878,203.81
  4. Step 4: Simplify right side
    248,239,597.57x = 49,288,446,695,132,544
  5. Step 5: Solve for x
    x = 49,288,446,695,132,544/248,239,597.57
  6. Step 6: Final answer
    x = 198,551,911.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.