Home / 281,668,737.60-421,999,221.60-238,334,644.80

Finding the Fourth Proportional to 281,668,737.60, 421,999,221.60 and 238,334,644.80

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Solution

The fourth proportional to 281,668,737.60, 421,999,221.60 and 238,334,644.80 is: 357,075,603.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,668,737.60 : 421,999,221.60 = 238,334,644.80 : x
  2. Step 2: Convert to fraction form
    281,668,737.60/421,999,221.60 = 238,334,644.80/x
  3. Step 3: Cross multiply
    281,668,737.60x = 421,999,221.60 × 238,334,644.80
  4. Step 4: Simplify right side
    281,668,737.60x = 100,577,034,585,912,496
  5. Step 5: Solve for x
    x = 100,577,034,585,912,496/281,668,737.60
  6. Step 6: Final answer
    x = 357,075,603.93

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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.