Home / 207,856,313.60-311,784,470.40-64,263,660.80

Finding the Fourth Proportional to 207,856,313.60, 311,784,470.40 and 64,263,660.80

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Solution

The fourth proportional to 207,856,313.60, 311,784,470.40 and 64,263,660.80 is: 96,395,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,856,313.60 : 311,784,470.40 = 64,263,660.80 : x
  2. Step 2: Convert to fraction form
    207,856,313.60/311,784,470.40 = 64,263,660.80/x
  3. Step 3: Cross multiply
    207,856,313.60x = 311,784,470.40 × 64,263,660.80
  4. Step 4: Simplify right side
    207,856,313.60x = 20,036,411,448,493,236
  5. Step 5: Solve for x
    x = 20,036,411,448,493,236/207,856,313.60
  6. Step 6: Final answer
    x = 96,395,491.20

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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.