Home / 112,367,999.80-168,563,226.30-30,488,177.80

Finding the Fourth Proportional to 112,367,999.80, 168,563,226.30 and 30,488,177.80

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Solution

The fourth proportional to 112,367,999.80, 168,563,226.30 and 30,488,177.80 is: 45,735,312.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,367,999.80 : 168,563,226.30 = 30,488,177.80 : x
  2. Step 2: Convert to fraction form
    112,367,999.80/168,563,226.30 = 30,488,177.80/x
  3. Step 3: Cross multiply
    112,367,999.80x = 168,563,226.30 × 30,488,177.80
  4. Step 4: Simplify right side
    112,367,999.80x = 5,139,185,613,976,037
  5. Step 5: Solve for x
    x = 5,139,185,613,976,037/112,367,999.80
  6. Step 6: Final answer
    x = 45,735,312.75

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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.