Home / 112,344,110.80-168,516,166.20-82,111,022.80

Finding the Fourth Proportional to 112,344,110.80, 168,516,166.20 and 82,111,022.80

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Solution

The fourth proportional to 112,344,110.80, 168,516,166.20 and 82,111,022.80 is: 123,166,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,344,110.80 : 168,516,166.20 = 82,111,022.80 : x
  2. Step 2: Convert to fraction form
    112,344,110.80/168,516,166.20 = 82,111,022.80/x
  3. Step 3: Cross multiply
    112,344,110.80x = 168,516,166.20 × 82,111,022.80
  4. Step 4: Simplify right side
    112,344,110.80x = 13,837,034,765,016,788
  5. Step 5: Solve for x
    x = 13,837,034,765,016,788/112,344,110.80
  6. Step 6: Final answer
    x = 123,166,534.20

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1.5x scale

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.