Home / 286,303,078.20-429,422,456.84-79,070,949.48

Finding the Fourth Proportional to 286,303,078.20, 429,422,456.84 and 79,070,949.48

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Solution

The fourth proportional to 286,303,078.20, 429,422,456.84 and 79,070,949.48 is: 118,597,542.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,303,078.20 : 429,422,456.84 = 79,070,949.48 : x
  2. Step 2: Convert to fraction form
    286,303,078.20/429,422,456.84 = 79,070,949.48/x
  3. Step 3: Cross multiply
    286,303,078.20x = 429,422,456.84 × 79,070,949.48
  4. Step 4: Simplify right side
    286,303,078.20x = 33,954,841,389,977,764
  5. Step 5: Solve for x
    x = 33,954,841,389,977,764/286,303,078.20
  6. Step 6: Final answer
    x = 118,597,542.17

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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.