Home / 170,272,038.40-255,408,057.60-160,866,188.80

Finding the Fourth Proportional to 170,272,038.40, 255,408,057.60 and 160,866,188.80

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Solution

The fourth proportional to 170,272,038.40, 255,408,057.60 and 160,866,188.80 is: 241,299,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,272,038.40 : 255,408,057.60 = 160,866,188.80 : x
  2. Step 2: Convert to fraction form
    170,272,038.40/255,408,057.60 = 160,866,188.80/x
  3. Step 3: Cross multiply
    170,272,038.40x = 255,408,057.60 × 160,866,188.80
  4. Step 4: Simplify right side
    170,272,038.40x = 41,086,520,814,922,880
  5. Step 5: Solve for x
    x = 41,086,520,814,922,880/170,272,038.40
  6. Step 6: Final answer
    x = 241,299,283.20

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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.