Home / 258,461,322.88-356,678,903.52-140,987,175.04

Finding the Fourth Proportional to 258,461,322.88, 356,678,903.52 and 140,987,175.04

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Solution

The fourth proportional to 258,461,322.88, 356,678,903.52 and 140,987,175.04 is: 194,563,544.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,461,322.88 : 356,678,903.52 = 140,987,175.04 : x
  2. Step 2: Convert to fraction form
    258,461,322.88/356,678,903.52 = 140,987,175.04/x
  3. Step 3: Cross multiply
    258,461,322.88x = 356,678,903.52 × 140,987,175.04
  4. Step 4: Simplify right side
    258,461,322.88x = 50,287,151,003,649,504
  5. Step 5: Solve for x
    x = 50,287,151,003,649,504/258,461,322.88
  6. Step 6: Final answer
    x = 194,563,544.14

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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.