Home / 127,824,406.40-191,736,609.60-106,566,766.40

Finding the Fourth Proportional to 127,824,406.40, 191,736,609.60 and 106,566,766.40

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Solution

The fourth proportional to 127,824,406.40, 191,736,609.60 and 106,566,766.40 is: 159,850,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,824,406.40 : 191,736,609.60 = 106,566,766.40 : x
  2. Step 2: Convert to fraction form
    127,824,406.40/191,736,609.60 = 106,566,766.40/x
  3. Step 3: Cross multiply
    127,824,406.40x = 191,736,609.60 × 106,566,766.40
  4. Step 4: Simplify right side
    127,824,406.40x = 20,432,750,485,571,196
  5. Step 5: Solve for x
    x = 20,432,750,485,571,196/127,824,406.40
  6. Step 6: Final answer
    x = 159,850,149.60

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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.