Home / 105,731,879.95-158,594,330.09-43,481,039.95

Finding the Fourth Proportional to 105,731,879.95, 158,594,330.09 and 43,481,039.95

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Solution

The fourth proportional to 105,731,879.95, 158,594,330.09 and 43,481,039.95 is: 65,220,124.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,731,879.95 : 158,594,330.09 = 43,481,039.95 : x
  2. Step 2: Convert to fraction form
    105,731,879.95/158,594,330.09 = 43,481,039.95/x
  3. Step 3: Cross multiply
    105,731,879.95x = 158,594,330.09 × 43,481,039.95
  4. Step 4: Simplify right side
    105,731,879.95x = 6,895,846,402,269,373
  5. Step 5: Solve for x
    x = 6,895,846,402,269,373/105,731,879.95
  6. Step 6: Final answer
    x = 65,220,124.77

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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.