Home / 310,104,986.19-464,719,039.77-171,991,441.92

Finding the Fourth Proportional to 310,104,986.19, 464,719,039.77 and 171,991,441.92

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Solution

The fourth proportional to 310,104,986.19, 464,719,039.77 and 171,991,441.92 is: 257,743,994.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,104,986.19 : 464,719,039.77 = 171,991,441.92 : x
  2. Step 2: Convert to fraction form
    310,104,986.19/464,719,039.77 = 171,991,441.92/x
  3. Step 3: Cross multiply
    310,104,986.19x = 464,719,039.77 × 171,991,441.92
  4. Step 4: Simplify right side
    310,104,986.19x = 79,927,697,737,720,112
  5. Step 5: Solve for x
    x = 79,927,697,737,720,112/310,104,986.19
  6. Step 6: Final answer
    x = 257,743,994.12

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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.