Home / 82,470,540.12-113,802,569.38-45,298,899.32

Finding the Fourth Proportional to 82,470,540.12, 113,802,569.38 and 45,298,899.32

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Solution

The fourth proportional to 82,470,540.12, 113,802,569.38 and 45,298,899.32 is: 62,508,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,470,540.12 : 113,802,569.38 = 45,298,899.32 : x
  2. Step 2: Convert to fraction form
    82,470,540.12/113,802,569.38 = 45,298,899.32/x
  3. Step 3: Cross multiply
    82,470,540.12x = 113,802,569.38 × 45,298,899.32
  4. Step 4: Simplify right side
    82,470,540.12x = 5,155,131,132,701,935
  5. Step 5: Solve for x
    x = 5,155,131,132,701,935/82,470,540.12
  6. Step 6: Final answer
    x = 62,508,759.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.