Home / 170,031,806.70-255,079,202.85-55,020,101.10

Finding the Fourth Proportional to 170,031,806.70, 255,079,202.85 and 55,020,101.10

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Solution

The fourth proportional to 170,031,806.70, 255,079,202.85 and 55,020,101.10 is: 82,540,342.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,031,806.70 : 255,079,202.85 = 55,020,101.10 : x
  2. Step 2: Convert to fraction form
    170,031,806.70/255,079,202.85 = 55,020,101.10/x
  3. Step 3: Cross multiply
    170,031,806.70x = 255,079,202.85 × 55,020,101.10
  4. Step 4: Simplify right side
    170,031,806.70x = 14,034,483,529,314,408
  5. Step 5: Solve for x
    x = 14,034,483,529,314,408/170,031,806.70
  6. Step 6: Final answer
    x = 82,540,342.31

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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.