Home / 272,958,651.20-409,437,976.80-88,725,771.20

Finding the Fourth Proportional to 272,958,651.20, 409,437,976.80 and 88,725,771.20

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Solution

The fourth proportional to 272,958,651.20, 409,437,976.80 and 88,725,771.20 is: 133,088,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,958,651.20 : 409,437,976.80 = 88,725,771.20 : x
  2. Step 2: Convert to fraction form
    272,958,651.20/409,437,976.80 = 88,725,771.20/x
  3. Step 3: Cross multiply
    272,958,651.20x = 409,437,976.80 × 88,725,771.20
  4. Step 4: Simplify right side
    272,958,651.20x = 36,327,700,250,147,712
  5. Step 5: Solve for x
    x = 36,327,700,250,147,712/272,958,651.20
  6. Step 6: Final answer
    x = 133,088,656.80

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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.