Home / 313,450,811.20-470,400,165.60-131,828,334.40

Finding the Fourth Proportional to 313,450,811.20, 470,400,165.60 and 131,828,334.40

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Solution

The fourth proportional to 313,450,811.20, 470,400,165.60 and 131,828,334.40 is: 197,836,687.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,450,811.20 : 470,400,165.60 = 131,828,334.40 : x
  2. Step 2: Convert to fraction form
    313,450,811.20/470,400,165.60 = 131,828,334.40/x
  3. Step 3: Cross multiply
    313,450,811.20x = 470,400,165.60 × 131,828,334.40
  4. Step 4: Simplify right side
    313,450,811.20x = 62,012,070,332,532,184
  5. Step 5: Solve for x
    x = 62,012,070,332,532,184/313,450,811.20
  6. Step 6: Final answer
    x = 197,836,687.98

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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.