Home / 20,102,256,015.90-30,153,384,023.85-18,360,830,147.10

Finding the Fourth Proportional to 20,102,256,015.90, 30,153,384,023.85 and 18,360,830,147.10

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Solution

The fourth proportional to 20,102,256,015.90, 30,153,384,023.85 and 18,360,830,147.10 is: 27,541,245,220.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,102,256,015.90 : 30,153,384,023.85 = 18,360,830,147.10 : x
  2. Step 2: Convert to fraction form
    20,102,256,015.90/30,153,384,023.85 = 18,360,830,147.10/x
  3. Step 3: Cross multiply
    20,102,256,015.90x = 30,153,384,023.85 × 18,360,830,147.10
  4. Step 4: Simplify right side
    20,102,256,015.90x = 553,641,162,422,188,507,136
  5. Step 5: Solve for x
    x = 553,641,162,422,188,507,136/20,102,256,015.90
  6. Step 6: Final answer
    x = 27,541,245,220.65

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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.