Home / 134,850,235-186,093,817.74-72,970,574.20

Finding the Fourth Proportional to 134,850,235, 186,093,817.74 and 72,970,574.20

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Solution

The fourth proportional to 134,850,235, 186,093,817.74 and 72,970,574.20 is: 100,699,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,850,235 : 186,093,817.74 = 72,970,574.20 : x
  2. Step 2: Convert to fraction form
    134,850,235/186,093,817.74 = 72,970,574.20/x
  3. Step 3: Cross multiply
    134,850,235x = 186,093,817.74 × 72,970,574.20
  4. Step 4: Simplify right side
    134,850,235x = 13,579,372,735,557,948
  5. Step 5: Solve for x
    x = 13,579,372,735,557,948/134,850,235
  6. Step 6: Final answer
    x = 100,699,659.41

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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.