Home / 236,693,553.20-355,040,329.80-210,995,428.40

Finding the Fourth Proportional to 236,693,553.20, 355,040,329.80 and 210,995,428.40

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Solution

The fourth proportional to 236,693,553.20, 355,040,329.80 and 210,995,428.40 is: 316,493,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,693,553.20 : 355,040,329.80 = 210,995,428.40 : x
  2. Step 2: Convert to fraction form
    236,693,553.20/355,040,329.80 = 210,995,428.40/x
  3. Step 3: Cross multiply
    236,693,553.20x = 355,040,329.80 × 210,995,428.40
  4. Step 4: Simplify right side
    236,693,553.20x = 74,911,886,485,428,288
  5. Step 5: Solve for x
    x = 74,911,886,485,428,288/236,693,553.20
  6. Step 6: Final answer
    x = 316,493,142.60

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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.