Home / 168,809,314.72-253,206,357.04-70,400,492.32

Finding the Fourth Proportional to 168,809,314.72, 253,206,357.04 and 70,400,492.32

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Solution

The fourth proportional to 168,809,314.72, 253,206,357.04 and 70,400,492.32 is: 105,597,562.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,809,314.72 : 253,206,357.04 = 70,400,492.32 : x
  2. Step 2: Convert to fraction form
    168,809,314.72/253,206,357.04 = 70,400,492.32/x
  3. Step 3: Cross multiply
    168,809,314.72x = 253,206,357.04 × 70,400,492.32
  4. Step 4: Simplify right side
    168,809,314.72x = 17,825,852,194,169,696
  5. Step 5: Solve for x
    x = 17,825,852,194,169,696/168,809,314.72
  6. Step 6: Final answer
    x = 105,597,562.69

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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.