Home / 20,681,719,817.80-31,042,063,272.30-10,874,106,070.60

Finding the Fourth Proportional to 20,681,719,817.80, 31,042,063,272.30 and 10,874,106,070.60

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Solution

The fourth proportional to 20,681,719,817.80, 31,042,063,272.30 and 10,874,106,070.60 is: 16,321,403,231.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,681,719,817.80 : 31,042,063,272.30 = 10,874,106,070.60 : x
  2. Step 2: Convert to fraction form
    20,681,719,817.80/31,042,063,272.30 = 10,874,106,070.60/x
  3. Step 3: Cross multiply
    20,681,719,817.80x = 31,042,063,272.30 × 10,874,106,070.60
  4. Step 4: Simplify right side
    20,681,719,817.80x = 337,554,688,673,266,728,960
  5. Step 5: Solve for x
    x = 337,554,688,673,266,728,960/20,681,719,817.80
  6. Step 6: Final answer
    x = 16,321,403,231.79

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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.