Home / 145,111,840.61-200,272,367.67-82,408,080.21

Finding the Fourth Proportional to 145,111,840.61, 200,272,367.67 and 82,408,080.21

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Solution

The fourth proportional to 145,111,840.61, 200,272,367.67 and 82,408,080.21 is: 113,733,388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,111,840.61 : 200,272,367.67 = 82,408,080.21 : x
  2. Step 2: Convert to fraction form
    145,111,840.61/200,272,367.67 = 82,408,080.21/x
  3. Step 3: Cross multiply
    145,111,840.61x = 200,272,367.67 × 82,408,080.21
  4. Step 4: Simplify right side
    145,111,840.61x = 16,504,061,337,735,096
  5. Step 5: Solve for x
    x = 16,504,061,337,735,096/145,111,840.61
  6. Step 6: Final answer
    x = 113,733,388.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.