Home / 260,808,130.20-391,212,195.30-170,108,866.20

Finding the Fourth Proportional to 260,808,130.20, 391,212,195.30 and 170,108,866.20

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Solution

The fourth proportional to 260,808,130.20, 391,212,195.30 and 170,108,866.20 is: 255,163,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,808,130.20 : 391,212,195.30 = 170,108,866.20 : x
  2. Step 2: Convert to fraction form
    260,808,130.20/391,212,195.30 = 170,108,866.20/x
  3. Step 3: Cross multiply
    260,808,130.20x = 391,212,195.30 × 170,108,866.20
  4. Step 4: Simplify right side
    260,808,130.20x = 66,548,662,986,095,968
  5. Step 5: Solve for x
    x = 66,548,662,986,095,968/260,808,130.20
  6. Step 6: Final answer
    x = 255,163,299.30

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1.5x scale

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.