Home / 148,392,821.70-222,589,232.55-126,391,164.30

Finding the Fourth Proportional to 148,392,821.70, 222,589,232.55 and 126,391,164.30

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Solution

The fourth proportional to 148,392,821.70, 222,589,232.55 and 126,391,164.30 is: 189,586,746.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,392,821.70 : 222,589,232.55 = 126,391,164.30 : x
  2. Step 2: Convert to fraction form
    148,392,821.70/222,589,232.55 = 126,391,164.30/x
  3. Step 3: Cross multiply
    148,392,821.70x = 222,589,232.55 × 126,391,164.30
  4. Step 4: Simplify right side
    148,392,821.70x = 28,133,312,262,637,960
  5. Step 5: Solve for x
    x = 28,133,312,262,637,960/148,392,821.70
  6. Step 6: Final answer
    x = 189,586,746.45

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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.