Home / 127,823,622.40-191,735,433.60-106,565,982.40

Finding the Fourth Proportional to 127,823,622.40, 191,735,433.60 and 106,565,982.40

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Solution

The fourth proportional to 127,823,622.40, 191,735,433.60 and 106,565,982.40 is: 159,848,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,823,622.40 : 191,735,433.60 = 106,565,982.40 : x
  2. Step 2: Convert to fraction form
    127,823,622.40/191,735,433.60 = 106,565,982.40/x
  3. Step 3: Cross multiply
    127,823,622.40x = 191,735,433.60 × 106,565,982.40
  4. Step 4: Simplify right side
    127,823,622.40x = 20,432,474,842,473,968
  5. Step 5: Solve for x
    x = 20,432,474,842,473,968/127,823,622.40
  6. Step 6: Final answer
    x = 159,848,973.60

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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.