Home / 420,744,327.69-631,116,496.98-114,036,440.55

Finding the Fourth Proportional to 420,744,327.69, 631,116,496.98 and 114,036,440.55

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Solution

The fourth proportional to 420,744,327.69, 631,116,496.98 and 114,036,440.55 is: 171,054,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,744,327.69 : 631,116,496.98 = 114,036,440.55 : x
  2. Step 2: Convert to fraction form
    420,744,327.69/631,116,496.98 = 114,036,440.55/x
  3. Step 3: Cross multiply
    420,744,327.69x = 631,116,496.98 × 114,036,440.55
  4. Step 4: Simplify right side
    420,744,327.69x = 71,970,278,887,984,024
  5. Step 5: Solve for x
    x = 71,970,278,887,984,024/420,744,327.69
  6. Step 6: Final answer
    x = 171,054,662.30

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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.