Home / 107,811,007.80-161,716,511.70-50,415,379.80

Finding the Fourth Proportional to 107,811,007.80, 161,716,511.70 and 50,415,379.80

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Solution

The fourth proportional to 107,811,007.80, 161,716,511.70 and 50,415,379.80 is: 75,623,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,811,007.80 : 161,716,511.70 = 50,415,379.80 : x
  2. Step 2: Convert to fraction form
    107,811,007.80/161,716,511.70 = 50,415,379.80/x
  3. Step 3: Cross multiply
    107,811,007.80x = 161,716,511.70 × 50,415,379.80
  4. Step 4: Simplify right side
    107,811,007.80x = 8,152,999,357,286,643
  5. Step 5: Solve for x
    x = 8,152,999,357,286,643/107,811,007.80
  6. Step 6: Final answer
    x = 75,623,069.70

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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.