Home / 50,863,970.40-76,295,955.60-45,321,237.60

Finding the Fourth Proportional to 50,863,970.40, 76,295,955.60 and 45,321,237.60

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Solution

The fourth proportional to 50,863,970.40, 76,295,955.60 and 45,321,237.60 is: 67,981,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,863,970.40 : 76,295,955.60 = 45,321,237.60 : x
  2. Step 2: Convert to fraction form
    50,863,970.40/76,295,955.60 = 45,321,237.60/x
  3. Step 3: Cross multiply
    50,863,970.40x = 76,295,955.60 × 45,321,237.60
  4. Step 4: Simplify right side
    50,863,970.40x = 3,457,827,131,666,650.50
  5. Step 5: Solve for x
    x = 3,457,827,131,666,650.50/50,863,970.40
  6. Step 6: Final answer
    x = 67,981,856.40

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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.