Home / 137,687,643,066.24-190,009,340,969.76-79,827,267,418.56

Finding the Fourth Proportional to 137,687,643,066.24, 190,009,340,969.76 and 79,827,267,418.56

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Solution

The fourth proportional to 137,687,643,066.24, 190,009,340,969.76 and 79,827,267,418.56 is: 110,161,857,199.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,687,643,066.24 : 190,009,340,969.76 = 79,827,267,418.56 : x
  2. Step 2: Convert to fraction form
    137,687,643,066.24/190,009,340,969.76 = 79,827,267,418.56/x
  3. Step 3: Cross multiply
    137,687,643,066.24x = 190,009,340,969.76 × 79,827,267,418.56
  4. Step 4: Simplify right side
    137,687,643,066.24x = 15,167,926,473,617,380,999,168
  5. Step 5: Solve for x
    x = 15,167,926,473,617,380,999,168/137,687,643,066.24
  6. Step 6: Final answer
    x = 110,161,857,199.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.