Home / 189,884,051.92-284,824,477.85-148,419,805.42

Finding the Fourth Proportional to 189,884,051.92, 284,824,477.85 and 148,419,805.42

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Solution

The fourth proportional to 189,884,051.92, 284,824,477.85 and 148,419,805.42 is: 222,628,457.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,884,051.92 : 284,824,477.85 = 148,419,805.42 : x
  2. Step 2: Convert to fraction form
    189,884,051.92/284,824,477.85 = 148,419,805.42/x
  3. Step 3: Cross multiply
    189,884,051.92x = 284,824,477.85 × 148,419,805.42
  4. Step 4: Simplify right side
    189,884,051.92x = 42,273,593,579,925,976
  5. Step 5: Solve for x
    x = 42,273,593,579,925,976/189,884,051.92
  6. Step 6: Final answer
    x = 222,628,457.49

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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.