Home / 30,611,742.62-42,244,203.32-16,860,707.42

Finding the Fourth Proportional to 30,611,742.62, 42,244,203.32 and 16,860,707.42

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Solution

The fourth proportional to 30,611,742.62, 42,244,203.32 and 16,860,707.42 is: 23,267,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611,742.62 : 42,244,203.32 = 16,860,707.42 : x
  2. Step 2: Convert to fraction form
    30,611,742.62/42,244,203.32 = 16,860,707.42/x
  3. Step 3: Cross multiply
    30,611,742.62x = 42,244,203.32 × 16,860,707.42
  4. Step 4: Simplify right side
    30,611,742.62x = 712,267,152,369,512.75
  5. Step 5: Solve for x
    x = 712,267,152,369,512.75/30,611,742.62
  6. Step 6: Final answer
    x = 23,267,775.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.