Home / 154,525,128,987.10-231,787,693,480.65-148,647,816,679.90

Finding the Fourth Proportional to 154,525,128,987.10, 231,787,693,480.65 and 148,647,816,679.90

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Solution

The fourth proportional to 154,525,128,987.10, 231,787,693,480.65 and 148,647,816,679.90 is: 222,971,725,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,525,128,987.10 : 231,787,693,480.65 = 148,647,816,679.90 : x
  2. Step 2: Convert to fraction form
    154,525,128,987.10/231,787,693,480.65 = 148,647,816,679.90/x
  3. Step 3: Cross multiply
    154,525,128,987.10x = 231,787,693,480.65 × 148,647,816,679.90
  4. Step 4: Simplify right side
    154,525,128,987.10x = 34,454,734,569,168,512,745,472
  5. Step 5: Solve for x
    x = 34,454,734,569,168,512,745,472/154,525,128,987.10
  6. Step 6: Final answer
    x = 222,971,725,019.85

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1.5x scale

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.