Home / 82,881,886.30-124,322,829.45-28,276,323.55

Finding the Fourth Proportional to 82,881,886.30, 124,322,829.45 and 28,276,323.55

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Solution

The fourth proportional to 82,881,886.30, 124,322,829.45 and 28,276,323.55 is: 42,414,485.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,881,886.30 : 124,322,829.45 = 28,276,323.55 : x
  2. Step 2: Convert to fraction form
    82,881,886.30/124,322,829.45 = 28,276,323.55/x
  3. Step 3: Cross multiply
    82,881,886.30x = 124,322,829.45 × 28,276,323.55
  4. Step 4: Simplify right side
    82,881,886.30x = 3,515,392,550,179,668.50
  5. Step 5: Solve for x
    x = 3,515,392,550,179,668.50/82,881,886.30
  6. Step 6: Final answer
    x = 42,414,485.33

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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.