Home / 286,370,713.52-429,380,272.82-111,289,319.16

Finding the Fourth Proportional to 286,370,713.52, 429,380,272.82 and 111,289,319.16

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Solution

The fourth proportional to 286,370,713.52, 429,380,272.82 and 111,289,319.16 is: 166,865,660.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,370,713.52 : 429,380,272.82 = 111,289,319.16 : x
  2. Step 2: Convert to fraction form
    286,370,713.52/429,380,272.82 = 111,289,319.16/x
  3. Step 3: Cross multiply
    286,370,713.52x = 429,380,272.82 × 111,289,319.16
  4. Step 4: Simplify right side
    286,370,713.52x = 47,785,438,222,872,848
  5. Step 5: Solve for x
    x = 47,785,438,222,872,848/286,370,713.52
  6. Step 6: Final answer
    x = 166,865,660.37

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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.