Home / 123,567,391.32-170,511,729.19-73,322,951.67

Finding the Fourth Proportional to 123,567,391.32, 170,511,729.19 and 73,322,951.67

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Solution

The fourth proportional to 123,567,391.32, 170,511,729.19 and 73,322,951.67 is: 101,178,985.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,567,391.32 : 170,511,729.19 = 73,322,951.67 : x
  2. Step 2: Convert to fraction form
    123,567,391.32/170,511,729.19 = 73,322,951.67/x
  3. Step 3: Cross multiply
    123,567,391.32x = 170,511,729.19 × 73,322,951.67
  4. Step 4: Simplify right side
    123,567,391.32x = 12,502,423,278,199,884
  5. Step 5: Solve for x
    x = 12,502,423,278,199,884/123,567,391.32
  6. Step 6: Final answer
    x = 101,178,985.36

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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.