Home / 104,288,519.03-143,918,313.89-56,603,790.50

Finding the Fourth Proportional to 104,288,519.03, 143,918,313.89 and 56,603,790.50

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Solution

The fourth proportional to 104,288,519.03, 143,918,313.89 and 56,603,790.50 is: 78,113,316.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,288,519.03 : 143,918,313.89 = 56,603,790.50 : x
  2. Step 2: Convert to fraction form
    104,288,519.03/143,918,313.89 = 56,603,790.50/x
  3. Step 3: Cross multiply
    104,288,519.03x = 143,918,313.89 × 56,603,790.50
  4. Step 4: Simplify right side
    104,288,519.03x = 8,146,322,087,540,189
  5. Step 5: Solve for x
    x = 8,146,322,087,540,189/104,288,519.03
  6. Step 6: Final answer
    x = 78,113,316.44

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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.