Home / 104,976,403.10-157,464,604.65-72,097,919.90

Finding the Fourth Proportional to 104,976,403.10, 157,464,604.65 and 72,097,919.90

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Solution

The fourth proportional to 104,976,403.10, 157,464,604.65 and 72,097,919.90 is: 108,146,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,403.10 : 157,464,604.65 = 72,097,919.90 : x
  2. Step 2: Convert to fraction form
    104,976,403.10/157,464,604.65 = 72,097,919.90/x
  3. Step 3: Cross multiply
    104,976,403.10x = 157,464,604.65 × 72,097,919.90
  4. Step 4: Simplify right side
    104,976,403.10x = 11,352,870,453,140,868
  5. Step 5: Solve for x
    x = 11,352,870,453,140,868/104,976,403.10
  6. Step 6: Final answer
    x = 108,146,879.85

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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.