Home / 189,407,230.92-284,123,676.78-66,570,614.28

Finding the Fourth Proportional to 189,407,230.92, 284,123,676.78 and 66,570,614.28

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Solution

The fourth proportional to 189,407,230.92, 284,123,676.78 and 66,570,614.28 is: 99,860,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,407,230.92 : 284,123,676.78 = 66,570,614.28 : x
  2. Step 2: Convert to fraction form
    189,407,230.92/284,123,676.78 = 66,570,614.28/x
  3. Step 3: Cross multiply
    189,407,230.92x = 284,123,676.78 × 66,570,614.28
  4. Step 4: Simplify right side
    189,407,230.92x = 18,914,287,694,736,772
  5. Step 5: Solve for x
    x = 18,914,287,694,736,772/189,407,230.92
  6. Step 6: Final answer
    x = 99,860,430.90

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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.