Home / 354,294,372.60-531,441,558.90-108,688,914.45

Finding the Fourth Proportional to 354,294,372.60, 531,441,558.90 and 108,688,914.45

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Solution

The fourth proportional to 354,294,372.60, 531,441,558.90 and 108,688,914.45 is: 163,033,371.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,372.60 : 531,441,558.90 = 108,688,914.45 : x
  2. Step 2: Convert to fraction form
    354,294,372.60/531,441,558.90 = 108,688,914.45/x
  3. Step 3: Cross multiply
    354,294,372.60x = 531,441,558.90 × 108,688,914.45
  4. Step 4: Simplify right side
    354,294,372.60x = 57,761,806,130,456,736
  5. Step 5: Solve for x
    x = 57,761,806,130,456,736/354,294,372.60
  6. Step 6: Final answer
    x = 163,033,371.68

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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.