Home / 142,457,978,820.87-213,693,840,261.02-46,841,880,704.49

Finding the Fourth Proportional to 142,457,978,820.87, 213,693,840,261.02 and 46,841,880,704.49

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Solution

The fourth proportional to 142,457,978,820.87, 213,693,840,261.02 and 46,841,880,704.49 is: 70,265,080,661.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,457,978,820.87 : 213,693,840,261.02 = 46,841,880,704.49 : x
  2. Step 2: Convert to fraction form
    142,457,978,820.87/213,693,840,261.02 = 46,841,880,704.49/x
  3. Step 3: Cross multiply
    142,457,978,820.87x = 213,693,840,261.02 × 46,841,880,704.49
  4. Step 4: Simplify right side
    142,457,978,820.87x = 10,009,821,372,791,039,983,616
  5. Step 5: Solve for x
    x = 10,009,821,372,791,039,983,616/142,457,978,820.87
  6. Step 6: Final answer
    x = 70,265,080,661.98

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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.