Home / 112,267,277.80-168,400,916.70-82,034,189.80

Finding the Fourth Proportional to 112,267,277.80, 168,400,916.70 and 82,034,189.80

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Solution

The fourth proportional to 112,267,277.80, 168,400,916.70 and 82,034,189.80 is: 123,051,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,267,277.80 : 168,400,916.70 = 82,034,189.80 : x
  2. Step 2: Convert to fraction form
    112,267,277.80/168,400,916.70 = 82,034,189.80/x
  3. Step 3: Cross multiply
    112,267,277.80x = 168,400,916.70 × 82,034,189.80
  4. Step 4: Simplify right side
    112,267,277.80x = 13,814,632,763,061,788
  5. Step 5: Solve for x
    x = 13,814,632,763,061,788/112,267,277.80
  6. Step 6: Final answer
    x = 123,051,284.70

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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.