Home / 51,929,181.88-71,661,386.34-28,724,289.88

Finding the Fourth Proportional to 51,929,181.88, 71,661,386.34 and 28,724,289.88

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Solution

The fourth proportional to 51,929,181.88, 71,661,386.34 and 28,724,289.88 is: 39,639,030.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,929,181.88 : 71,661,386.34 = 28,724,289.88 : x
  2. Step 2: Convert to fraction form
    51,929,181.88/71,661,386.34 = 28,724,289.88/x
  3. Step 3: Cross multiply
    51,929,181.88x = 71,661,386.34 × 28,724,289.88
  4. Step 4: Simplify right side
    51,929,181.88x = 2,058,422,434,432,832.25
  5. Step 5: Solve for x
    x = 2,058,422,434,432,832.25/51,929,181.88
  6. Step 6: Final answer
    x = 39,639,030.69

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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.