Home / 20,089,725,422.13-30,134,669,376.36-8,138,203,790.16

Finding the Fourth Proportional to 20,089,725,422.13, 30,134,669,376.36 and 8,138,203,790.16

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Solution

The fourth proportional to 20,089,725,422.13, 30,134,669,376.36 and 8,138,203,790.16 is: 12,207,338,596.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,089,725,422.13 : 30,134,669,376.36 = 8,138,203,790.16 : x
  2. Step 2: Convert to fraction form
    20,089,725,422.13/30,134,669,376.36 = 8,138,203,790.16/x
  3. Step 3: Cross multiply
    20,089,725,422.13x = 30,134,669,376.36 × 8,138,203,790.16
  4. Step 4: Simplify right side
    20,089,725,422.13x = 245,242,080,533,911,437,312
  5. Step 5: Solve for x
    x = 245,242,080,533,911,437,312/20,089,725,422.13
  6. Step 6: Final answer
    x = 12,207,338,596.26

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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.