Home / 219,229,682.45-302,536,955.21-120,114,189.05

Finding the Fourth Proportional to 219,229,682.45, 302,536,955.21 and 120,114,189.05

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Solution

The fourth proportional to 219,229,682.45, 302,536,955.21 and 120,114,189.05 is: 165,757,577.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,229,682.45 : 302,536,955.21 = 120,114,189.05 : x
  2. Step 2: Convert to fraction form
    219,229,682.45/302,536,955.21 = 120,114,189.05/x
  3. Step 3: Cross multiply
    219,229,682.45x = 302,536,955.21 × 120,114,189.05
  4. Step 4: Simplify right side
    219,229,682.45x = 36,338,981,030,592,064
  5. Step 5: Solve for x
    x = 36,338,981,030,592,064/219,229,682.45
  6. Step 6: Final answer
    x = 165,757,577.28

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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.