Home / 347,630,820.80-521,446,231.20-132,192,075.20

Finding the Fourth Proportional to 347,630,820.80, 521,446,231.20 and 132,192,075.20

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Solution

The fourth proportional to 347,630,820.80, 521,446,231.20 and 132,192,075.20 is: 198,288,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,630,820.80 : 521,446,231.20 = 132,192,075.20 : x
  2. Step 2: Convert to fraction form
    347,630,820.80/521,446,231.20 = 132,192,075.20/x
  3. Step 3: Cross multiply
    347,630,820.80x = 521,446,231.20 × 132,192,075.20
  4. Step 4: Simplify right side
    347,630,820.80x = 68,931,059,407,546,984
  5. Step 5: Solve for x
    x = 68,931,059,407,546,984/347,630,820.80
  6. Step 6: Final answer
    x = 198,288,112.80

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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.