Home / 254,812,491.20-382,218,736.80-139,752,574.40

Finding the Fourth Proportional to 254,812,491.20, 382,218,736.80 and 139,752,574.40

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Solution

The fourth proportional to 254,812,491.20, 382,218,736.80 and 139,752,574.40 is: 209,628,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,812,491.20 : 382,218,736.80 = 139,752,574.40 : x
  2. Step 2: Convert to fraction form
    254,812,491.20/382,218,736.80 = 139,752,574.40/x
  3. Step 3: Cross multiply
    254,812,491.20x = 382,218,736.80 × 139,752,574.40
  4. Step 4: Simplify right side
    254,812,491.20x = 53,416,052,451,716,024
  5. Step 5: Solve for x
    x = 53,416,052,451,716,024/254,812,491.20
  6. Step 6: Final answer
    x = 209,628,861.60

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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.