Home / 171,048,546.58-256,572,815.33-78,905,022.41

Finding the Fourth Proportional to 171,048,546.58, 256,572,815.33 and 78,905,022.41

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Solution

The fourth proportional to 171,048,546.58, 256,572,815.33 and 78,905,022.41 is: 118,357,531.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,048,546.58 : 256,572,815.33 = 78,905,022.41 : x
  2. Step 2: Convert to fraction form
    171,048,546.58/256,572,815.33 = 78,905,022.41/x
  3. Step 3: Cross multiply
    171,048,546.58x = 256,572,815.33 × 78,905,022.41
  4. Step 4: Simplify right side
    171,048,546.58x = 20,244,883,742,127,580
  5. Step 5: Solve for x
    x = 20,244,883,742,127,580/171,048,546.58
  6. Step 6: Final answer
    x = 118,357,531.51

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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.