Home / 286,303,241.34-429,422,701.44-79,071,112.78

Finding the Fourth Proportional to 286,303,241.34, 429,422,701.44 and 79,071,112.78

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Solution

The fourth proportional to 286,303,241.34, 429,422,701.44 and 79,071,112.78 is: 118,597,787.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,303,241.34 : 429,422,701.44 = 79,071,112.78 : x
  2. Step 2: Convert to fraction form
    286,303,241.34/429,422,701.44 = 79,071,112.78/x
  3. Step 3: Cross multiply
    286,303,241.34x = 429,422,701.44 × 79,071,112.78
  4. Step 4: Simplify right side
    286,303,241.34x = 33,954,930,855,854,508
  5. Step 5: Solve for x
    x = 33,954,930,855,854,508/286,303,241.34
  6. Step 6: Final answer
    x = 118,597,787.08

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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.