Home / 161,709,166.40-242,563,749.60-96,979,652.60

Finding the Fourth Proportional to 161,709,166.40, 242,563,749.60 and 96,979,652.60

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Solution

The fourth proportional to 161,709,166.40, 242,563,749.60 and 96,979,652.60 is: 145,469,478.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,709,166.40 : 242,563,749.60 = 96,979,652.60 : x
  2. Step 2: Convert to fraction form
    161,709,166.40/242,563,749.60 = 96,979,652.60/x
  3. Step 3: Cross multiply
    161,709,166.40x = 242,563,749.60 × 96,979,652.60
  4. Step 4: Simplify right side
    161,709,166.40x = 23,523,748,169,561,388
  5. Step 5: Solve for x
    x = 23,523,748,169,561,388/161,709,166.40
  6. Step 6: Final answer
    x = 145,469,478.90

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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.