Home / 139,110,676.40-208,666,014.60-126,993,821.60

Finding the Fourth Proportional to 139,110,676.40, 208,666,014.60 and 126,993,821.60

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Solution

The fourth proportional to 139,110,676.40, 208,666,014.60 and 126,993,821.60 is: 190,490,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,110,676.40 : 208,666,014.60 = 126,993,821.60 : x
  2. Step 2: Convert to fraction form
    139,110,676.40/208,666,014.60 = 126,993,821.60/x
  3. Step 3: Cross multiply
    139,110,676.40x = 208,666,014.60 × 126,993,821.60
  4. Step 4: Simplify right side
    139,110,676.40x = 26,499,294,632,095,392
  5. Step 5: Solve for x
    x = 26,499,294,632,095,392/139,110,676.40
  6. Step 6: Final answer
    x = 190,490,732.40

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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.