Home / 213,645,083.31-320,422,784.04-60,255,267.48

Finding the Fourth Proportional to 213,645,083.31, 320,422,784.04 and 60,255,267.48

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Solution

The fourth proportional to 213,645,083.31, 320,422,784.04 and 60,255,267.48 is: 90,370,254.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,645,083.31 : 320,422,784.04 = 60,255,267.48 : x
  2. Step 2: Convert to fraction form
    213,645,083.31/320,422,784.04 = 60,255,267.48/x
  3. Step 3: Cross multiply
    213,645,083.31x = 320,422,784.04 × 60,255,267.48
  4. Step 4: Simplify right side
    213,645,083.31x = 19,307,160,559,016,476
  5. Step 5: Solve for x
    x = 19,307,160,559,016,476/213,645,083.31
  6. Step 6: Final answer
    x = 90,370,254.54

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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.