Home / 52,765,224.75-79,138,528.65-20,390,511.51

Finding the Fourth Proportional to 52,765,224.75, 79,138,528.65 and 20,390,511.51

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Solution

The fourth proportional to 52,765,224.75, 79,138,528.65 and 20,390,511.51 is: 30,582,170.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,765,224.75 : 79,138,528.65 = 20,390,511.51 : x
  2. Step 2: Convert to fraction form
    52,765,224.75/79,138,528.65 = 20,390,511.51/x
  3. Step 3: Cross multiply
    52,765,224.75x = 79,138,528.65 × 20,390,511.51
  4. Step 4: Simplify right side
    52,765,224.75x = 1,613,675,079,322,290
  5. Step 5: Solve for x
    x = 1,613,675,079,322,290/52,765,224.75
  6. Step 6: Final answer
    x = 30,582,170.11

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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.