Home / 369,672,863.36-510,148,675.14-202,419,703.22

Finding the Fourth Proportional to 369,672,863.36, 510,148,675.14 and 202,419,703.22

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Solution

The fourth proportional to 369,672,863.36, 510,148,675.14 and 202,419,703.22 is: 279,339,258.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,672,863.36 : 510,148,675.14 = 202,419,703.22 : x
  2. Step 2: Convert to fraction form
    369,672,863.36/510,148,675.14 = 202,419,703.22/x
  3. Step 3: Cross multiply
    369,672,863.36x = 510,148,675.14 × 202,419,703.22
  4. Step 4: Simplify right side
    369,672,863.36x = 103,264,143,419,914,992
  5. Step 5: Solve for x
    x = 103,264,143,419,914,992/369,672,863.36
  6. Step 6: Final answer
    x = 279,339,258.18

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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.