Home / 76,658,449.20-114,945,683.40-31,168,849.20

Finding the Fourth Proportional to 76,658,449.20, 114,945,683.40 and 31,168,849.20

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Solution

The fourth proportional to 76,658,449.20, 114,945,683.40 and 31,168,849.20 is: 46,736,200.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,658,449.20 : 114,945,683.40 = 31,168,849.20 : x
  2. Step 2: Convert to fraction form
    76,658,449.20/114,945,683.40 = 31,168,849.20/x
  3. Step 3: Cross multiply
    76,658,449.20x = 114,945,683.40 × 31,168,849.20
  4. Step 4: Simplify right side
    76,658,449.20x = 3,582,724,672,085,543.50
  5. Step 5: Solve for x
    x = 3,582,724,672,085,543.50/76,658,449.20
  6. Step 6: Final answer
    x = 46,736,200.76

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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.