Home / 112,063,420.80-167,937,667.20-89,073,676.80

Finding the Fourth Proportional to 112,063,420.80, 167,937,667.20 and 89,073,676.80

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Solution

The fourth proportional to 112,063,420.80, 167,937,667.20 and 89,073,676.80 is: 133,485,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,063,420.80 : 167,937,667.20 = 89,073,676.80 : x
  2. Step 2: Convert to fraction form
    112,063,420.80/167,937,667.20 = 89,073,676.80/x
  3. Step 3: Cross multiply
    112,063,420.80x = 167,937,667.20 × 89,073,676.80
  4. Step 4: Simplify right side
    112,063,420.80x = 14,958,825,490,718,760
  5. Step 5: Solve for x
    x = 14,958,825,490,718,760/112,063,420.80
  6. Step 6: Final answer
    x = 133,485,354.85

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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.