Home / 49,178,354.88-67,803,045.39-40,325,187.72

Finding the Fourth Proportional to 49,178,354.88, 67,803,045.39 and 40,325,187.72

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Solution

The fourth proportional to 49,178,354.88, 67,803,045.39 and 40,325,187.72 is: 55,597,031.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,178,354.88 : 67,803,045.39 = 40,325,187.72 : x
  2. Step 2: Convert to fraction form
    49,178,354.88/67,803,045.39 = 40,325,187.72/x
  3. Step 3: Cross multiply
    49,178,354.88x = 67,803,045.39 × 40,325,187.72
  4. Step 4: Simplify right side
    49,178,354.88x = 2,734,170,533,339,430.50
  5. Step 5: Solve for x
    x = 2,734,170,533,339,430.50/49,178,354.88
  6. Step 6: Final answer
    x = 55,597,031.26

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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.