Home / 129,863,475.52-179,211,769.04-70,324,874.37

Finding the Fourth Proportional to 129,863,475.52, 179,211,769.04 and 70,324,874.37

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Solution

The fourth proportional to 129,863,475.52, 179,211,769.04 and 70,324,874.37 is: 97,048,420.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,863,475.52 : 179,211,769.04 = 70,324,874.37 : x
  2. Step 2: Convert to fraction form
    129,863,475.52/179,211,769.04 = 70,324,874.37/x
  3. Step 3: Cross multiply
    129,863,475.52x = 179,211,769.04 × 70,324,874.37
  4. Step 4: Simplify right side
    129,863,475.52x = 12,603,045,143,539,268
  5. Step 5: Solve for x
    x = 12,603,045,143,539,268/129,863,475.52
  6. Step 6: Final answer
    x = 97,048,420.22

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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.