Home / 77,815,377.92-116,725,444.80-26,696,679.68

Finding the Fourth Proportional to 77,815,377.92, 116,725,444.80 and 26,696,679.68

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Solution

The fourth proportional to 77,815,377.92, 116,725,444.80 and 26,696,679.68 is: 40,045,835.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,815,377.92 : 116,725,444.80 = 26,696,679.68 : x
  2. Step 2: Convert to fraction form
    77,815,377.92/116,725,444.80 = 26,696,679.68/x
  3. Step 3: Cross multiply
    77,815,377.92x = 116,725,444.80 × 26,696,679.68
  4. Step 4: Simplify right side
    77,815,377.92x = 3,116,181,810,331,121.50
  5. Step 5: Solve for x
    x = 3,116,181,810,331,121.50/77,815,377.92
  6. Step 6: Final answer
    x = 40,045,835.33

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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.