Home / 291,276,119.80-436,914,179.70-118,658,834.20

Finding the Fourth Proportional to 291,276,119.80, 436,914,179.70 and 118,658,834.20

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Solution

The fourth proportional to 291,276,119.80, 436,914,179.70 and 118,658,834.20 is: 177,988,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,276,119.80 : 436,914,179.70 = 118,658,834.20 : x
  2. Step 2: Convert to fraction form
    291,276,119.80/436,914,179.70 = 118,658,834.20/x
  3. Step 3: Cross multiply
    291,276,119.80x = 436,914,179.70 × 118,658,834.20
  4. Step 4: Simplify right side
    291,276,119.80x = 51,843,727,208,651,304
  5. Step 5: Solve for x
    x = 51,843,727,208,651,304/291,276,119.80
  6. Step 6: Final answer
    x = 177,988,251.30

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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.