Home / 312,870,779.08-469,324,103.22-82,833,886.24

Finding the Fourth Proportional to 312,870,779.08, 469,324,103.22 and 82,833,886.24

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Solution

The fourth proportional to 312,870,779.08, 469,324,103.22 and 82,833,886.24 is: 124,255,577.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,870,779.08 : 469,324,103.22 = 82,833,886.24 : x
  2. Step 2: Convert to fraction form
    312,870,779.08/469,324,103.22 = 82,833,886.24/x
  3. Step 3: Cross multiply
    312,870,779.08x = 469,324,103.22 × 82,833,886.24
  4. Step 4: Simplify right side
    312,870,779.08x = 38,875,939,375,815,496
  5. Step 5: Solve for x
    x = 38,875,939,375,815,496/312,870,779.08
  6. Step 6: Final answer
    x = 124,255,577.62

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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.