Home / 189,633,466.07-261,692,205.39-111,301,885.86

Finding the Fourth Proportional to 189,633,466.07, 261,692,205.39 and 111,301,885.86

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Solution

The fourth proportional to 189,633,466.07, 261,692,205.39 and 111,301,885.86 is: 153,595,441.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,633,466.07 : 261,692,205.39 = 111,301,885.86 : x
  2. Step 2: Convert to fraction form
    189,633,466.07/261,692,205.39 = 111,301,885.86/x
  3. Step 3: Cross multiply
    189,633,466.07x = 261,692,205.39 × 111,301,885.86
  4. Step 4: Simplify right side
    189,633,466.07x = 29,126,835,974,769,456
  5. Step 5: Solve for x
    x = 29,126,835,974,769,456/189,633,466.07
  6. Step 6: Final answer
    x = 153,595,441.67

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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.