Home / 77,536,015.20-116,178,051.60-64,686,952.80

Finding the Fourth Proportional to 77,536,015.20, 116,178,051.60 and 64,686,952.80

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Solution

The fourth proportional to 77,536,015.20, 116,178,051.60 and 64,686,952.80 is: 96,925,333.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,536,015.20 : 116,178,051.60 = 64,686,952.80 : x
  2. Step 2: Convert to fraction form
    77,536,015.20/116,178,051.60 = 64,686,952.80/x
  3. Step 3: Cross multiply
    77,536,015.20x = 116,178,051.60 × 64,686,952.80
  4. Step 4: Simplify right side
    77,536,015.20x = 7,515,204,140,245,164
  5. Step 5: Solve for x
    x = 7,515,204,140,245,164/77,536,015.20
  6. Step 6: Final answer
    x = 96,925,333.61

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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.