Home / 248,239,598.57-342,570,629.80-143,878,204.81

Finding the Fourth Proportional to 248,239,598.57, 342,570,629.80 and 143,878,204.81

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Solution

The fourth proportional to 248,239,598.57, 342,570,629.80 and 143,878,204.81 is: 198,551,913.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,239,598.57 : 342,570,629.80 = 143,878,204.81 : x
  2. Step 2: Convert to fraction form
    248,239,598.57/342,570,629.80 = 143,878,204.81/x
  3. Step 3: Cross multiply
    248,239,598.57x = 342,570,629.80 × 143,878,204.81
  4. Step 4: Simplify right side
    248,239,598.57x = 49,288,447,236,255,088
  5. Step 5: Solve for x
    x = 49,288,447,236,255,088/248,239,598.57
  6. Step 6: Final answer
    x = 198,551,913.23

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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.