Home / 126,196,124.40-189,311,901.30-39,925,535.40

Finding the Fourth Proportional to 126,196,124.40, 189,311,901.30 and 39,925,535.40

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Solution

The fourth proportional to 126,196,124.40, 189,311,901.30 and 39,925,535.40 is: 59,893,907.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,196,124.40 : 189,311,901.30 = 39,925,535.40 : x
  2. Step 2: Convert to fraction form
    126,196,124.40/189,311,901.30 = 39,925,535.40/x
  3. Step 3: Cross multiply
    126,196,124.40x = 189,311,901.30 × 39,925,535.40
  4. Step 4: Simplify right side
    126,196,124.40x = 7,558,379,016,994,456
  5. Step 5: Solve for x
    x = 7,558,379,016,994,456/126,196,124.40
  6. Step 6: Final answer
    x = 59,893,907.62

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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.