Home / 126,240,280.38-189,360,947.88-40,039,237.98

Finding the Fourth Proportional to 126,240,280.38, 189,360,947.88 and 40,039,237.98

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Solution

The fourth proportional to 126,240,280.38, 189,360,947.88 and 40,039,237.98 is: 60,059,024.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,240,280.38 : 189,360,947.88 = 40,039,237.98 : x
  2. Step 2: Convert to fraction form
    126,240,280.38/189,360,947.88 = 40,039,237.98/x
  3. Step 3: Cross multiply
    126,240,280.38x = 189,360,947.88 × 40,039,237.98
  4. Step 4: Simplify right side
    126,240,280.38x = 7,581,868,056,285,696
  5. Step 5: Solve for x
    x = 7,581,868,056,285,696/126,240,280.38
  6. Step 6: Final answer
    x = 60,059,024.22

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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.