Home / 66,430,136.40-99,645,204.60-46,873,107.60

Finding the Fourth Proportional to 66,430,136.40, 99,645,204.60 and 46,873,107.60

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Solution

The fourth proportional to 66,430,136.40, 99,645,204.60 and 46,873,107.60 is: 70,309,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,136.40 : 99,645,204.60 = 46,873,107.60 : x
  2. Step 2: Convert to fraction form
    66,430,136.40/99,645,204.60 = 46,873,107.60/x
  3. Step 3: Cross multiply
    66,430,136.40x = 99,645,204.60 × 46,873,107.60
  4. Step 4: Simplify right side
    66,430,136.40x = 4,670,680,397,039,815
  5. Step 5: Solve for x
    x = 4,670,680,397,039,815/66,430,136.40
  6. Step 6: Final answer
    x = 70,309,661.40

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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.