Home / 78,605,735.54-108,476,345.30-45,585,562.32

Finding the Fourth Proportional to 78,605,735.54, 108,476,345.30 and 45,585,562.32

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Solution

The fourth proportional to 78,605,735.54, 108,476,345.30 and 45,585,562.32 is: 62,908,325.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,605,735.54 : 108,476,345.30 = 45,585,562.32 : x
  2. Step 2: Convert to fraction form
    78,605,735.54/108,476,345.30 = 45,585,562.32/x
  3. Step 3: Cross multiply
    78,605,735.54x = 108,476,345.30 × 45,585,562.32
  4. Step 4: Simplify right side
    78,605,735.54x = 4,944,955,198,691,061
  5. Step 5: Solve for x
    x = 4,944,955,198,691,061/78,605,735.54
  6. Step 6: Final answer
    x = 62,908,325.52

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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.