Home / 30,611,742.63-42,244,203.33-16,860,707.43

Finding the Fourth Proportional to 30,611,742.63, 42,244,203.33 and 16,860,707.43

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Solution

The fourth proportional to 30,611,742.63, 42,244,203.33 and 16,860,707.43 is: 23,267,775.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611,742.63 : 42,244,203.33 = 16,860,707.43 : x
  2. Step 2: Convert to fraction form
    30,611,742.63/42,244,203.33 = 16,860,707.43/x
  3. Step 3: Cross multiply
    30,611,742.63x = 42,244,203.33 × 16,860,707.43
  4. Step 4: Simplify right side
    30,611,742.63x = 712,267,152,960,561.75
  5. Step 5: Solve for x
    x = 712,267,152,960,561.75/30,611,742.63
  6. Step 6: Final answer
    x = 23,267,775.43

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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.