Home / 314,928,328.80-472,392,493.20-161,589,885.60

Finding the Fourth Proportional to 314,928,328.80, 472,392,493.20 and 161,589,885.60

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Solution

The fourth proportional to 314,928,328.80, 472,392,493.20 and 161,589,885.60 is: 242,384,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,328.80 : 472,392,493.20 = 161,589,885.60 : x
  2. Step 2: Convert to fraction form
    314,928,328.80/472,392,493.20 = 161,589,885.60/x
  3. Step 3: Cross multiply
    314,928,328.80x = 472,392,493.20 × 161,589,885.60
  4. Step 4: Simplify right side
    314,928,328.80x = 76,333,848,934,486,768
  5. Step 5: Solve for x
    x = 76,333,848,934,486,768/314,928,328.80
  6. Step 6: Final answer
    x = 242,384,828.40

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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.