Home / 139,954,986.79-209,931,732.65-36,324,116.44

Finding the Fourth Proportional to 139,954,986.79, 209,931,732.65 and 36,324,116.44

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Solution

The fourth proportional to 139,954,986.79, 209,931,732.65 and 36,324,116.44 is: 54,485,980.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,954,986.79 : 209,931,732.65 = 36,324,116.44 : x
  2. Step 2: Convert to fraction form
    139,954,986.79/209,931,732.65 = 36,324,116.44/x
  3. Step 3: Cross multiply
    139,954,986.79x = 209,931,732.65 × 36,324,116.44
  4. Step 4: Simplify right side
    139,954,986.79x = 7,625,584,701,047,929
  5. Step 5: Solve for x
    x = 7,625,584,701,047,929/139,954,986.79
  6. Step 6: Final answer
    x = 54,485,980.64

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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.