Home / 54,581,374,358.93-81,873,729,461.43-18,725,628,462.93

Finding the Fourth Proportional to 54,581,374,358.93, 81,873,729,461.43 and 18,725,628,462.93

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Solution

The fourth proportional to 54,581,374,358.93, 81,873,729,461.43 and 18,725,628,462.93 is: 28,089,014,920.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,581,374,358.93 : 81,873,729,461.43 = 18,725,628,462.93 : x
  2. Step 2: Convert to fraction form
    54,581,374,358.93/81,873,729,461.43 = 18,725,628,462.93/x
  3. Step 3: Cross multiply
    54,581,374,358.93x = 81,873,729,461.43 × 18,725,628,462.93
  4. Step 4: Simplify right side
    54,581,374,358.93x = 1,533,137,038,769,347,624,960
  5. Step 5: Solve for x
    x = 1,533,137,038,769,347,624,960/54,581,374,358.93
  6. Step 6: Final answer
    x = 28,089,014,920.87

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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.