Home / 77,696,043.20-116,544,064.80-41,864,235.20

Finding the Fourth Proportional to 77,696,043.20, 116,544,064.80 and 41,864,235.20

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Solution

The fourth proportional to 77,696,043.20, 116,544,064.80 and 41,864,235.20 is: 62,796,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,696,043.20 : 116,544,064.80 = 41,864,235.20 : x
  2. Step 2: Convert to fraction form
    77,696,043.20/116,544,064.80 = 41,864,235.20/x
  3. Step 3: Cross multiply
    77,696,043.20x = 116,544,064.80 × 41,864,235.20
  4. Step 4: Simplify right side
    77,696,043.20x = 4,879,028,139,951,241
  5. Step 5: Solve for x
    x = 4,879,028,139,951,241/77,696,043.20
  6. Step 6: Final answer
    x = 62,796,352.80

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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.