Home / 162,525,150.60-243,787,725.90-76,431,708.60

Finding the Fourth Proportional to 162,525,150.60, 243,787,725.90 and 76,431,708.60

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Solution

The fourth proportional to 162,525,150.60, 243,787,725.90 and 76,431,708.60 is: 114,647,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,525,150.60 : 243,787,725.90 = 76,431,708.60 : x
  2. Step 2: Convert to fraction form
    162,525,150.60/243,787,725.90 = 76,431,708.60/x
  3. Step 3: Cross multiply
    162,525,150.60x = 243,787,725.90 × 76,431,708.60
  4. Step 4: Simplify right side
    162,525,150.60x = 18,633,112,426,245,472
  5. Step 5: Solve for x
    x = 18,633,112,426,245,472/162,525,150.60
  6. Step 6: Final answer
    x = 114,647,562.90

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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.