Home / 123,494,741.44-185,270,328.48-42,715,641.28

Finding the Fourth Proportional to 123,494,741.44, 185,270,328.48 and 42,715,641.28

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Solution

The fourth proportional to 123,494,741.44, 185,270,328.48 and 42,715,641.28 is: 64,083,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,494,741.44 : 185,270,328.48 = 42,715,641.28 : x
  2. Step 2: Convert to fraction form
    123,494,741.44/185,270,328.48 = 42,715,641.28/x
  3. Step 3: Cross multiply
    123,494,741.44x = 185,270,328.48 × 42,715,641.28
  4. Step 4: Simplify right side
    123,494,741.44x = 7,913,940,891,179,447
  5. Step 5: Solve for x
    x = 7,913,940,891,179,447/123,494,741.44
  6. Step 6: Final answer
    x = 64,083,221.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.