Home / 136,697,836.44-188,643,014.25-74,818,175.01

Finding the Fourth Proportional to 136,697,836.44, 188,643,014.25 and 74,818,175.01

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Solution

The fourth proportional to 136,697,836.44, 188,643,014.25 and 74,818,175.01 is: 103,249,081.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,697,836.44 : 188,643,014.25 = 74,818,175.01 : x
  2. Step 2: Convert to fraction form
    136,697,836.44/188,643,014.25 = 74,818,175.01/x
  3. Step 3: Cross multiply
    136,697,836.44x = 188,643,014.25 × 74,818,175.01
  4. Step 4: Simplify right side
    136,697,836.44x = 14,113,926,054,570,424
  5. Step 5: Solve for x
    x = 14,113,926,054,570,424/136,697,836.44
  6. Step 6: Final answer
    x = 103,249,081.49

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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.