Home / 81,470,481.21-112,401,750.47-46,184,503.05

Finding the Fourth Proportional to 81,470,481.21, 112,401,750.47 and 46,184,503.05

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Solution

The fourth proportional to 81,470,481.21, 112,401,750.47 and 46,184,503.05 is: 63,719,017.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,470,481.21 : 112,401,750.47 = 46,184,503.05 : x
  2. Step 2: Convert to fraction form
    81,470,481.21/112,401,750.47 = 46,184,503.05/x
  3. Step 3: Cross multiply
    81,470,481.21x = 112,401,750.47 × 46,184,503.05
  4. Step 4: Simplify right side
    81,470,481.21x = 5,191,218,987,176,131
  5. Step 5: Solve for x
    x = 5,191,218,987,176,131/81,470,481.21
  6. Step 6: Final answer
    x = 63,719,017.12

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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.