Home / 255,471,826.39-352,551,274.87-137,997,208.53

Finding the Fourth Proportional to 255,471,826.39, 352,551,274.87 and 137,997,208.53

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Solution

The fourth proportional to 255,471,826.39, 352,551,274.87 and 137,997,208.53 is: 190,436,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,471,826.39 : 352,551,274.87 = 137,997,208.53 : x
  2. Step 2: Convert to fraction form
    255,471,826.39/352,551,274.87 = 137,997,208.53/x
  3. Step 3: Cross multiply
    255,471,826.39x = 352,551,274.87 × 137,997,208.53
  4. Step 4: Simplify right side
    255,471,826.39x = 48,651,091,795,075,632
  5. Step 5: Solve for x
    x = 48,651,091,795,075,632/255,471,826.39
  6. Step 6: Final answer
    x = 190,436,231.20

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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.