Home / 248,400,381.74-342,784,486.51-142,571,216.63

Finding the Fourth Proportional to 248,400,381.74, 342,784,486.51 and 142,571,216.63

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Solution

The fourth proportional to 248,400,381.74, 342,784,486.51 and 142,571,216.63 is: 196,743,664.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,400,381.74 : 342,784,486.51 = 142,571,216.63 : x
  2. Step 2: Convert to fraction form
    248,400,381.74/342,784,486.51 = 142,571,216.63/x
  3. Step 3: Cross multiply
    248,400,381.74x = 342,784,486.51 × 142,571,216.63
  4. Step 4: Simplify right side
    248,400,381.74x = 48,871,201,284,121,056
  5. Step 5: Solve for x
    x = 48,871,201,284,121,056/248,400,381.74
  6. Step 6: Final answer
    x = 196,743,664.17

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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.