Home / 252,668,312.57-378,945,172.61-114,402,643.36

Finding the Fourth Proportional to 252,668,312.57, 378,945,172.61 and 114,402,643.36

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Solution

The fourth proportional to 252,668,312.57, 378,945,172.61 and 114,402,643.36 is: 171,578,022.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,668,312.57 : 378,945,172.61 = 114,402,643.36 : x
  2. Step 2: Convert to fraction form
    252,668,312.57/378,945,172.61 = 114,402,643.36/x
  3. Step 3: Cross multiply
    252,668,312.57x = 378,945,172.61 × 114,402,643.36
  4. Step 4: Simplify right side
    252,668,312.57x = 43,352,329,432,628,736
  5. Step 5: Solve for x
    x = 43,352,329,432,628,736/252,668,312.57
  6. Step 6: Final answer
    x = 171,578,022.55

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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.