Home / 281,668,738.60-421,999,223.10-238,334,645.80

Finding the Fourth Proportional to 281,668,738.60, 421,999,223.10 and 238,334,645.80

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Solution

The fourth proportional to 281,668,738.60, 421,999,223.10 and 238,334,645.80 is: 357,075,605.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,668,738.60 : 421,999,223.10 = 238,334,645.80 : x
  2. Step 2: Convert to fraction form
    281,668,738.60/421,999,223.10 = 238,334,645.80/x
  3. Step 3: Cross multiply
    281,668,738.60x = 421,999,223.10 × 238,334,645.80
  4. Step 4: Simplify right side
    281,668,738.60x = 100,577,035,365,413,696
  5. Step 5: Solve for x
    x = 100,577,035,365,413,696/281,668,738.60
  6. Step 6: Final answer
    x = 357,075,605.43

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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.