Home / 50,687,999.70-76,031,999.55-45,556,530.90

Finding the Fourth Proportional to 50,687,999.70, 76,031,999.55 and 45,556,530.90

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Solution

The fourth proportional to 50,687,999.70, 76,031,999.55 and 45,556,530.90 is: 68,334,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,687,999.70 : 76,031,999.55 = 45,556,530.90 : x
  2. Step 2: Convert to fraction form
    50,687,999.70/76,031,999.55 = 45,556,530.90/x
  3. Step 3: Cross multiply
    50,687,999.70x = 76,031,999.55 × 45,556,530.90
  4. Step 4: Simplify right side
    50,687,999.70x = 3,463,754,136,888,361
  5. Step 5: Solve for x
    x = 3,463,754,136,888,361/50,687,999.70
  6. Step 6: Final answer
    x = 68,334,796.35

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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.