Home / 112,009,490.40-167,825,278.80-54,377,666.40

Finding the Fourth Proportional to 112,009,490.40, 167,825,278.80 and 54,377,666.40

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Solution

The fourth proportional to 112,009,490.40, 167,825,278.80 and 54,377,666.40 is: 81,474,766.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,009,490.40 : 167,825,278.80 = 54,377,666.40 : x
  2. Step 2: Convert to fraction form
    112,009,490.40/167,825,278.80 = 54,377,666.40/x
  3. Step 3: Cross multiply
    112,009,490.40x = 167,825,278.80 × 54,377,666.40
  4. Step 4: Simplify right side
    112,009,490.40x = 9,125,947,024,073,392
  5. Step 5: Solve for x
    x = 9,125,947,024,073,392/112,009,490.40
  6. Step 6: Final answer
    x = 81,474,766.04

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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.