Home / 111,756,325.84-154,091,779.44-76,491,118.48

Finding the Fourth Proportional to 111,756,325.84, 154,091,779.44 and 76,491,118.48

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Solution

The fourth proportional to 111,756,325.84, 154,091,779.44 and 76,491,118.48 is: 105,467,430.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,756,325.84 : 154,091,779.44 = 76,491,118.48 : x
  2. Step 2: Convert to fraction form
    111,756,325.84/154,091,779.44 = 76,491,118.48/x
  3. Step 3: Cross multiply
    111,756,325.84x = 154,091,779.44 × 76,491,118.48
  4. Step 4: Simplify right side
    111,756,325.84x = 11,786,652,557,939,068
  5. Step 5: Solve for x
    x = 11,786,652,557,939,068/111,756,325.84
  6. Step 6: Final answer
    x = 105,467,430.76

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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.