Home / 66,826,656.91-100,084,538.85-64,987,772.64

Finding the Fourth Proportional to 66,826,656.91, 100,084,538.85 and 64,987,772.64

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Solution

The fourth proportional to 66,826,656.91, 100,084,538.85 and 64,987,772.64 is: 97,330,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,826,656.91 : 100,084,538.85 = 64,987,772.64 : x
  2. Step 2: Convert to fraction form
    66,826,656.91/100,084,538.85 = 64,987,772.64/x
  3. Step 3: Cross multiply
    66,826,656.91x = 100,084,538.85 × 64,987,772.64
  4. Step 4: Simplify right side
    66,826,656.91x = 6,504,271,255,563,047
  5. Step 5: Solve for x
    x = 6,504,271,255,563,047/66,826,656.91
  6. Step 6: Final answer
    x = 97,330,489.90

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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.