Home / 282,825,429.36-423,851,093.64-213,681,392.88

Finding the Fourth Proportional to 282,825,429.36, 423,851,093.64 and 213,681,392.88

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Solution

The fourth proportional to 282,825,429.36, 423,851,093.64 and 213,681,392.88 is: 320,229,663.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,825,429.36 : 423,851,093.64 = 213,681,392.88 : x
  2. Step 2: Convert to fraction form
    282,825,429.36/423,851,093.64 = 213,681,392.88/x
  3. Step 3: Cross multiply
    282,825,429.36x = 423,851,093.64 × 213,681,392.88
  4. Step 4: Simplify right side
    282,825,429.36x = 90,569,092,062,706,512
  5. Step 5: Solve for x
    x = 90,569,092,062,706,512/282,825,429.36
  6. Step 6: Final answer
    x = 320,229,663.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.