Home / 286,295,421.28-395,092,905.06-159,148,039

Finding the Fourth Proportional to 286,295,421.28, 395,092,905.06 and 159,148,039

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Solution

The fourth proportional to 286,295,421.28, 395,092,905.06 and 159,148,039 is: 219,627,197.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,295,421.28 : 395,092,905.06 = 159,148,039 : x
  2. Step 2: Convert to fraction form
    286,295,421.28/395,092,905.06 = 159,148,039/x
  3. Step 3: Cross multiply
    286,295,421.28x = 395,092,905.06 × 159,148,039
  4. Step 4: Simplify right side
    286,295,421.28x = 62,878,261,063,112,176
  5. Step 5: Solve for x
    x = 62,878,261,063,112,176/286,295,421.28
  6. Step 6: Final answer
    x = 219,627,197.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.