Home / 51,222,261.90-70,685,890.79-28,017,185.88

Finding the Fourth Proportional to 51,222,261.90, 70,685,890.79 and 28,017,185.88

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Solution

The fourth proportional to 51,222,261.90, 70,685,890.79 and 28,017,185.88 is: 38,663,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,222,261.90 : 70,685,890.79 = 28,017,185.88 : x
  2. Step 2: Convert to fraction form
    51,222,261.90/70,685,890.79 = 28,017,185.88/x
  3. Step 3: Cross multiply
    51,222,261.90x = 70,685,890.79 × 28,017,185.88
  4. Step 4: Simplify right side
    51,222,261.90x = 1,980,419,741,356,810.25
  5. Step 5: Solve for x
    x = 1,980,419,741,356,810.25/51,222,261.90
  6. Step 6: Final answer
    x = 38,663,262.18

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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.