Home / 286,370,675.89-429,380,216.38-111,289,281.46

Finding the Fourth Proportional to 286,370,675.89, 429,380,216.38 and 111,289,281.46

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Solution

The fourth proportional to 286,370,675.89, 429,380,216.38 and 111,289,281.46 is: 166,865,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,370,675.89 : 429,380,216.38 = 111,289,281.46 : x
  2. Step 2: Convert to fraction form
    286,370,675.89/429,380,216.38 = 111,289,281.46/x
  3. Step 3: Cross multiply
    286,370,675.89x = 429,380,216.38 × 111,289,281.46
  4. Step 4: Simplify right side
    286,370,675.89x = 47,785,415,752,510,848
  5. Step 5: Solve for x
    x = 47,785,415,752,510,848/286,370,675.89
  6. Step 6: Final answer
    x = 166,865,603.83

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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.