Home / 248,155,611.40-342,231,809.70-155,344,580.20

Finding the Fourth Proportional to 248,155,611.40, 342,231,809.70 and 155,344,580.20

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Solution

The fourth proportional to 248,155,611.40, 342,231,809.70 and 155,344,580.20 is: 214,235,964.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,155,611.40 : 342,231,809.70 = 155,344,580.20 : x
  2. Step 2: Convert to fraction form
    248,155,611.40/342,231,809.70 = 155,344,580.20/x
  3. Step 3: Cross multiply
    248,155,611.40x = 342,231,809.70 × 155,344,580.20
  4. Step 4: Simplify right side
    248,155,611.40x = 53,163,856,808,932,784
  5. Step 5: Solve for x
    x = 53,163,856,808,932,784/248,155,611.40
  6. Step 6: Final answer
    x = 214,235,964.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.