Home / 144,474,977,289.51-216,740,374,208.43-54,931,008,439.80

Finding the Fourth Proportional to 144,474,977,289.51, 216,740,374,208.43 and 54,931,008,439.80

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Solution

The fourth proportional to 144,474,977,289.51, 216,740,374,208.43 and 54,931,008,439.80 is: 82,407,123,698.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,474,977,289.51 : 216,740,374,208.43 = 54,931,008,439.80 : x
  2. Step 2: Convert to fraction form
    144,474,977,289.51/216,740,374,208.43 = 54,931,008,439.80/x
  3. Step 3: Cross multiply
    144,474,977,289.51x = 216,740,374,208.43 × 54,931,008,439.80
  4. Step 4: Simplify right side
    144,474,977,289.51x = 11,905,767,324,888,678,268,928
  5. Step 5: Solve for x
    x = 11,905,767,324,888,678,268,928/144,474,977,289.51
  6. Step 6: Final answer
    x = 82,407,123,698.87

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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.