Home / 81,886,464,002.40-122,829,696,003.60-67,009,517,224.80

Finding the Fourth Proportional to 81,886,464,002.40, 122,829,696,003.60 and 67,009,517,224.80

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Solution

The fourth proportional to 81,886,464,002.40, 122,829,696,003.60 and 67,009,517,224.80 is: 100,514,275,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,886,464,002.40 : 122,829,696,003.60 = 67,009,517,224.80 : x
  2. Step 2: Convert to fraction form
    81,886,464,002.40/122,829,696,003.60 = 67,009,517,224.80/x
  3. Step 3: Cross multiply
    81,886,464,002.40x = 122,829,696,003.60 × 67,009,517,224.80
  4. Step 4: Simplify right side
    81,886,464,002.40x = 8,230,758,630,070,182,477,824
  5. Step 5: Solve for x
    x = 8,230,758,630,070,182,477,824/81,886,464,002.40
  6. Step 6: Final answer
    x = 100,514,275,837.20

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1.5x scale

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.