Home / 74,306,885.42-111,416,172.74-28,252,125.60

Finding the Fourth Proportional to 74,306,885.42, 111,416,172.74 and 28,252,125.60

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Solution

The fourth proportional to 74,306,885.42, 111,416,172.74 and 28,252,125.60 is: 42,361,400.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,306,885.42 : 111,416,172.74 = 28,252,125.60 : x
  2. Step 2: Convert to fraction form
    74,306,885.42/111,416,172.74 = 28,252,125.60/x
  3. Step 3: Cross multiply
    74,306,885.42x = 111,416,172.74 × 28,252,125.60
  4. Step 4: Simplify right side
    74,306,885.42x = 3,147,743,706,121,776
  5. Step 5: Solve for x
    x = 3,147,743,706,121,776/74,306,885.42
  6. Step 6: Final answer
    x = 42,361,400.14

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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.