Home / 20,112,132,642.90-30,168,198,964.35-20,112,132,642.90

Finding the Fourth Proportional to 20,112,132,642.90, 30,168,198,964.35 and 20,112,132,642.90

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Solution

The fourth proportional to 20,112,132,642.90, 30,168,198,964.35 and 20,112,132,642.90 is: 30,168,198,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112,132,642.90 : 30,168,198,964.35 = 20,112,132,642.90 : x
  2. Step 2: Convert to fraction form
    20,112,132,642.90/30,168,198,964.35 = 20,112,132,642.90/x
  3. Step 3: Cross multiply
    20,112,132,642.90x = 30,168,198,964.35 × 20,112,132,642.90
  4. Step 4: Simplify right side
    20,112,132,642.90x = 606,746,819,168,405,684,224
  5. Step 5: Solve for x
    x = 606,746,819,168,405,684,224/20,112,132,642.90
  6. Step 6: Final answer
    x = 30,168,198,964.35

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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.