Home / 194,150,129.80-291,225,194.70-163,539,128.20

Finding the Fourth Proportional to 194,150,129.80, 291,225,194.70 and 163,539,128.20

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Solution

The fourth proportional to 194,150,129.80, 291,225,194.70 and 163,539,128.20 is: 245,308,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,150,129.80 : 291,225,194.70 = 163,539,128.20 : x
  2. Step 2: Convert to fraction form
    194,150,129.80/291,225,194.70 = 163,539,128.20/x
  3. Step 3: Cross multiply
    194,150,129.80x = 291,225,194.70 × 163,539,128.20
  4. Step 4: Simplify right side
    194,150,129.80x = 47,626,714,451,113,256
  5. Step 5: Solve for x
    x = 47,626,714,451,113,256/194,150,129.80
  6. Step 6: Final answer
    x = 245,308,692.30

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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.