Home / 170,415,000.30-255,622,500.45-130,104,216.30

Finding the Fourth Proportional to 170,415,000.30, 255,622,500.45 and 130,104,216.30

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Solution

The fourth proportional to 170,415,000.30, 255,622,500.45 and 130,104,216.30 is: 195,156,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,415,000.30 : 255,622,500.45 = 130,104,216.30 : x
  2. Step 2: Convert to fraction form
    170,415,000.30/255,622,500.45 = 130,104,216.30/x
  3. Step 3: Cross multiply
    170,415,000.30x = 255,622,500.45 × 130,104,216.30
  4. Step 4: Simplify right side
    170,415,000.30x = 33,257,565,089,693,644
  5. Step 5: Solve for x
    x = 33,257,565,089,693,644/170,415,000.30
  6. Step 6: Final answer
    x = 195,156,324.45

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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.