Home / 64,686,736.20-97,030,104.30-21,557,346.60

Finding the Fourth Proportional to 64,686,736.20, 97,030,104.30 and 21,557,346.60

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Solution

The fourth proportional to 64,686,736.20, 97,030,104.30 and 21,557,346.60 is: 32,336,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,686,736.20 : 97,030,104.30 = 21,557,346.60 : x
  2. Step 2: Convert to fraction form
    64,686,736.20/97,030,104.30 = 21,557,346.60/x
  3. Step 3: Cross multiply
    64,686,736.20x = 97,030,104.30 × 21,557,346.60
  4. Step 4: Simplify right side
    64,686,736.20x = 2,091,711,589,029,250.50
  5. Step 5: Solve for x
    x = 2,091,711,589,029,250.50/64,686,736.20
  6. Step 6: Final answer
    x = 32,336,019.90

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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.