Home / 118,930,593.40-178,395,890.10-106,459,444.60

Finding the Fourth Proportional to 118,930,593.40, 178,395,890.10 and 106,459,444.60

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Solution

The fourth proportional to 118,930,593.40, 178,395,890.10 and 106,459,444.60 is: 159,689,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,930,593.40 : 178,395,890.10 = 106,459,444.60 : x
  2. Step 2: Convert to fraction form
    118,930,593.40/178,395,890.10 = 106,459,444.60/x
  3. Step 3: Cross multiply
    118,930,593.40x = 178,395,890.10 × 106,459,444.60
  4. Step 4: Simplify right side
    118,930,593.40x = 18,991,927,378,968,636
  5. Step 5: Solve for x
    x = 18,991,927,378,968,636/118,930,593.40
  6. Step 6: Final answer
    x = 159,689,166.90

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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.