Home / 134,867,919.88-186,117,727.69-72,988,258.44

Finding the Fourth Proportional to 134,867,919.88, 186,117,727.69 and 72,988,258.44

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Solution

The fourth proportional to 134,867,919.88, 186,117,727.69 and 72,988,258.44 is: 100,723,795.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,867,919.88 : 186,117,727.69 = 72,988,258.44 : x
  2. Step 2: Convert to fraction form
    134,867,919.88/186,117,727.69 = 72,988,258.44/x
  3. Step 3: Cross multiply
    134,867,919.88x = 186,117,727.69 × 72,988,258.44
  4. Step 4: Simplify right side
    134,867,919.88x = 13,584,408,809,692,440
  5. Step 5: Solve for x
    x = 13,584,408,809,692,440/134,867,919.88
  6. Step 6: Final answer
    x = 100,723,795.71

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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.