Home / 80,621,760,094.40-120,932,640,141.60-61,030,719,070.40

Finding the Fourth Proportional to 80,621,760,094.40, 120,932,640,141.60 and 61,030,719,070.40

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Solution

The fourth proportional to 80,621,760,094.40, 120,932,640,141.60 and 61,030,719,070.40 is: 91,546,078,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,621,760,094.40 : 120,932,640,141.60 = 61,030,719,070.40 : x
  2. Step 2: Convert to fraction form
    80,621,760,094.40/120,932,640,141.60 = 61,030,719,070.40/x
  3. Step 3: Cross multiply
    80,621,760,094.40x = 120,932,640,141.60 × 61,030,719,070.40
  4. Step 4: Simplify right side
    80,621,760,094.40x = 7,380,605,986,923,768,446,976
  5. Step 5: Solve for x
    x = 7,380,605,986,923,768,446,976/80,621,760,094.40
  6. Step 6: Final answer
    x = 91,546,078,605.60

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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.