Home / 142,457,978,820.49-213,693,840,260.46-46,841,880,704.12

Finding the Fourth Proportional to 142,457,978,820.49, 213,693,840,260.46 and 46,841,880,704.12

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Solution

The fourth proportional to 142,457,978,820.49, 213,693,840,260.46 and 46,841,880,704.12 is: 70,265,080,661.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,457,978,820.49 : 213,693,840,260.46 = 46,841,880,704.12 : x
  2. Step 2: Convert to fraction form
    142,457,978,820.49/213,693,840,260.46 = 46,841,880,704.12/x
  3. Step 3: Cross multiply
    142,457,978,820.49x = 213,693,840,260.46 × 46,841,880,704.12
  4. Step 4: Simplify right side
    142,457,978,820.49x = 10,009,821,372,684,674,531,328
  5. Step 5: Solve for x
    x = 10,009,821,372,684,674,531,328/142,457,978,820.49
  6. Step 6: Final answer
    x = 70,265,080,661.42

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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.