Home / 66,255,642.80-99,383,464.20-17,740,984.40

Finding the Fourth Proportional to 66,255,642.80, 99,383,464.20 and 17,740,984.40

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Solution

The fourth proportional to 66,255,642.80, 99,383,464.20 and 17,740,984.40 is: 26,611,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,255,642.80 : 99,383,464.20 = 17,740,984.40 : x
  2. Step 2: Convert to fraction form
    66,255,642.80/99,383,464.20 = 17,740,984.40/x
  3. Step 3: Cross multiply
    66,255,642.80x = 99,383,464.20 × 17,740,984.40
  4. Step 4: Simplify right side
    66,255,642.80x = 1,763,160,487,990,158.50
  5. Step 5: Solve for x
    x = 1,763,160,487,990,158.50/66,255,642.80
  6. Step 6: Final answer
    x = 26,611,476.60

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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.