Home / 223,864,390.80-335,796,586.20-78,249,556.80

Finding the Fourth Proportional to 223,864,390.80, 335,796,586.20 and 78,249,556.80

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Solution

The fourth proportional to 223,864,390.80, 335,796,586.20 and 78,249,556.80 is: 117,374,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,864,390.80 : 335,796,586.20 = 78,249,556.80 : x
  2. Step 2: Convert to fraction form
    223,864,390.80/335,796,586.20 = 78,249,556.80/x
  3. Step 3: Cross multiply
    223,864,390.80x = 335,796,586.20 × 78,249,556.80
  4. Step 4: Simplify right side
    223,864,390.80x = 26,275,934,045,102,996
  5. Step 5: Solve for x
    x = 26,275,934,045,102,996/223,864,390.80
  6. Step 6: Final answer
    x = 117,374,335.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.