Home / 148,825,352.64-205,381,374.72-81,846,958.08

Finding the Fourth Proportional to 148,825,352.64, 205,381,374.72 and 81,846,958.08

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Solution

The fourth proportional to 148,825,352.64, 205,381,374.72 and 81,846,958.08 is: 112,950,115.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,825,352.64 : 205,381,374.72 = 81,846,958.08 : x
  2. Step 2: Convert to fraction form
    148,825,352.64/205,381,374.72 = 81,846,958.08/x
  3. Step 3: Cross multiply
    148,825,352.64x = 205,381,374.72 × 81,846,958.08
  4. Step 4: Simplify right side
    148,825,352.64x = 16,809,840,767,120,612
  5. Step 5: Solve for x
    x = 16,809,840,767,120,612/148,825,352.64
  6. Step 6: Final answer
    x = 112,950,115.48

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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.