Home / 314,928,511.80-472,392,767.70-161,590,068.60

Finding the Fourth Proportional to 314,928,511.80, 472,392,767.70 and 161,590,068.60

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Solution

The fourth proportional to 314,928,511.80, 472,392,767.70 and 161,590,068.60 is: 242,385,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,511.80 : 472,392,767.70 = 161,590,068.60 : x
  2. Step 2: Convert to fraction form
    314,928,511.80/472,392,767.70 = 161,590,068.60/x
  3. Step 3: Cross multiply
    314,928,511.80x = 472,392,767.70 × 161,590,068.60
  4. Step 4: Simplify right side
    314,928,511.80x = 76,333,979,738,786,864
  5. Step 5: Solve for x
    x = 76,333,979,738,786,864/314,928,511.80
  6. Step 6: Final answer
    x = 242,385,102.90

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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.