Home / 126,089,764.80-189,283,946.40-125,193,969.60

Finding the Fourth Proportional to 126,089,764.80, 189,283,946.40 and 125,193,969.60

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Solution

The fourth proportional to 126,089,764.80, 189,283,946.40 and 125,193,969.60 is: 187,939,192.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,089,764.80 : 189,283,946.40 = 125,193,969.60 : x
  2. Step 2: Convert to fraction form
    126,089,764.80/189,283,946.40 = 125,193,969.60/x
  3. Step 3: Cross multiply
    126,089,764.80x = 189,283,946.40 × 125,193,969.60
  4. Step 4: Simplify right side
    126,089,764.80x = 23,697,208,631,369,628
  5. Step 5: Solve for x
    x = 23,697,208,631,369,628/126,089,764.80
  6. Step 6: Final answer
    x = 187,939,192.92

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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.