Home / 314,928,336.80-472,392,505.20-161,873,328.80

Finding the Fourth Proportional to 314,928,336.80, 472,392,505.20 and 161,873,328.80

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Solution

The fourth proportional to 314,928,336.80, 472,392,505.20 and 161,873,328.80 is: 242,809,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,336.80 : 472,392,505.20 = 161,873,328.80 : x
  2. Step 2: Convert to fraction form
    314,928,336.80/472,392,505.20 = 161,873,328.80/x
  3. Step 3: Cross multiply
    314,928,336.80x = 472,392,505.20 × 161,873,328.80
  4. Step 4: Simplify right side
    314,928,336.80x = 76,467,747,316,895,312
  5. Step 5: Solve for x
    x = 76,467,747,316,895,312/314,928,336.80
  6. Step 6: Final answer
    x = 242,809,993.20

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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.