Home / 107,870,347.28-161,920,666.35-46,489,797.51

Finding the Fourth Proportional to 107,870,347.28, 161,920,666.35 and 46,489,797.51

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Solution

The fourth proportional to 107,870,347.28, 161,920,666.35 and 46,489,797.51 is: 69,784,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,870,347.28 : 161,920,666.35 = 46,489,797.51 : x
  2. Step 2: Convert to fraction form
    107,870,347.28/161,920,666.35 = 46,489,797.51/x
  3. Step 3: Cross multiply
    107,870,347.28x = 161,920,666.35 × 46,489,797.51
  4. Step 4: Simplify right side
    107,870,347.28x = 7,527,658,991,295,770
  5. Step 5: Solve for x
    x = 7,527,658,991,295,770/107,870,347.28
  6. Step 6: Final answer
    x = 69,784,321.47

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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.