Home / 152,039,086.21-209,829,577.10-92,504,608.86

Finding the Fourth Proportional to 152,039,086.21, 209,829,577.10 and 92,504,608.86

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Solution

The fourth proportional to 152,039,086.21, 209,829,577.10 and 92,504,608.86 is: 127,665,874.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,039,086.21 : 209,829,577.10 = 92,504,608.86 : x
  2. Step 2: Convert to fraction form
    152,039,086.21/209,829,577.10 = 92,504,608.86/x
  3. Step 3: Cross multiply
    152,039,086.21x = 209,829,577.10 × 92,504,608.86
  4. Step 4: Simplify right side
    152,039,086.21x = 19,410,202,956,894,712
  5. Step 5: Solve for x
    x = 19,410,202,956,894,712/152,039,086.21
  6. Step 6: Final answer
    x = 127,665,874.88

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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.