Home / 180,557,486.87-270,447,089.71-121,942,849.34

Finding the Fourth Proportional to 180,557,486.87, 270,447,089.71 and 121,942,849.34

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Solution

The fourth proportional to 180,557,486.87, 270,447,089.71 and 121,942,849.34 is: 182,651,460.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,557,486.87 : 270,447,089.71 = 121,942,849.34 : x
  2. Step 2: Convert to fraction form
    180,557,486.87/270,447,089.71 = 121,942,849.34/x
  3. Step 3: Cross multiply
    180,557,486.87x = 270,447,089.71 × 121,942,849.34
  4. Step 4: Simplify right side
    180,557,486.87x = 32,979,088,713,290,896
  5. Step 5: Solve for x
    x = 32,979,088,713,290,896/180,557,486.87
  6. Step 6: Final answer
    x = 182,651,460.68

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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.