Home / 101,771,235.87-140,444,199.20-55,361,379.08

Finding the Fourth Proportional to 101,771,235.87, 140,444,199.20 and 55,361,379.08

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Solution

The fourth proportional to 101,771,235.87, 140,444,199.20 and 55,361,379.08 is: 76,398,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,771,235.87 : 140,444,199.20 = 55,361,379.08 : x
  2. Step 2: Convert to fraction form
    101,771,235.87/140,444,199.20 = 55,361,379.08/x
  3. Step 3: Cross multiply
    101,771,235.87x = 140,444,199.20 × 55,361,379.08
  4. Step 4: Simplify right side
    101,771,235.87x = 7,775,184,550,519,205
  5. Step 5: Solve for x
    x = 7,775,184,550,519,205/101,771,235.87
  6. Step 6: Final answer
    x = 76,398,645.30

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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.