Home / 314,928,815.20-472,393,222.80-159,960,619.60

Finding the Fourth Proportional to 314,928,815.20, 472,393,222.80 and 159,960,619.60

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Solution

The fourth proportional to 314,928,815.20, 472,393,222.80 and 159,960,619.60 is: 239,940,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,815.20 : 472,393,222.80 = 159,960,619.60 : x
  2. Step 2: Convert to fraction form
    314,928,815.20/472,393,222.80 = 159,960,619.60/x
  3. Step 3: Cross multiply
    314,928,815.20x = 472,393,222.80 × 159,960,619.60
  4. Step 4: Simplify right side
    314,928,815.20x = 75,564,312,613,928,848
  5. Step 5: Solve for x
    x = 75,564,312,613,928,848/314,928,815.20
  6. Step 6: Final answer
    x = 239,940,929.40

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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.