Home / 155,566,936.64-214,686,701.28-85,956,801.92

Finding the Fourth Proportional to 155,566,936.64, 214,686,701.28 and 85,956,801.92

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Solution

The fourth proportional to 155,566,936.64, 214,686,701.28 and 85,956,801.92 is: 118,622,778.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,566,936.64 : 214,686,701.28 = 85,956,801.92 : x
  2. Step 2: Convert to fraction form
    155,566,936.64/214,686,701.28 = 85,956,801.92/x
  3. Step 3: Cross multiply
    155,566,936.64x = 214,686,701.28 × 85,956,801.92
  4. Step 4: Simplify right side
    155,566,936.64x = 18,453,782,256,783,172
  5. Step 5: Solve for x
    x = 18,453,782,256,783,172/155,566,936.64
  6. Step 6: Final answer
    x = 118,622,778.43

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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.