Home / 78,485,328,014.05-117,727,992,021.07-78,485,328,014.05

Finding the Fourth Proportional to 78,485,328,014.05, 117,727,992,021.07 and 78,485,328,014.05

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Solution

The fourth proportional to 78,485,328,014.05, 117,727,992,021.07 and 78,485,328,014.05 is: 117,727,992,021.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,485,328,014.05 : 117,727,992,021.07 = 78,485,328,014.05 : x
  2. Step 2: Convert to fraction form
    78,485,328,014.05/117,727,992,021.07 = 78,485,328,014.05/x
  3. Step 3: Cross multiply
    78,485,328,014.05x = 117,727,992,021.07 × 78,485,328,014.05
  4. Step 4: Simplify right side
    78,485,328,014.05x = 9,239,920,070,209,140,948,992
  5. Step 5: Solve for x
    x = 9,239,920,070,209,140,948,992/78,485,328,014.05
  6. Step 6: Final answer
    x = 117,727,992,021.07

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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.