Home / 112,368,001.80-168,563,229.30-30,488,179.80

Finding the Fourth Proportional to 112,368,001.80, 168,563,229.30 and 30,488,179.80

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Solution

The fourth proportional to 112,368,001.80, 168,563,229.30 and 30,488,179.80 is: 45,735,315.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,368,001.80 : 168,563,229.30 = 30,488,179.80 : x
  2. Step 2: Convert to fraction form
    112,368,001.80/168,563,229.30 = 30,488,179.80/x
  3. Step 3: Cross multiply
    112,368,001.80x = 168,563,229.30 × 30,488,179.80
  4. Step 4: Simplify right side
    112,368,001.80x = 5,139,186,042,567,029
  5. Step 5: Solve for x
    x = 5,139,186,042,567,029/112,368,001.80
  6. Step 6: Final answer
    x = 45,735,315.75

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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.