Home / 279,668,581.44-385,944,291.84-162,263,818.32

Finding the Fourth Proportional to 279,668,581.44, 385,944,291.84 and 162,263,818.32

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Solution

The fourth proportional to 279,668,581.44, 385,944,291.84 and 162,263,818.32 is: 223,925,026.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,668,581.44 : 385,944,291.84 = 162,263,818.32 : x
  2. Step 2: Convert to fraction form
    279,668,581.44/385,944,291.84 = 162,263,818.32/x
  3. Step 3: Cross multiply
    279,668,581.44x = 385,944,291.84 × 162,263,818.32
  4. Step 4: Simplify right side
    279,668,581.44x = 62,624,794,452,766,808
  5. Step 5: Solve for x
    x = 62,624,794,452,766,808/279,668,581.44
  6. Step 6: Final answer
    x = 223,925,026.29

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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.