Home / 226,724,250.89-312,869,401.92-126,257,870.81

Finding the Fourth Proportional to 226,724,250.89, 312,869,401.92 and 126,257,870.81

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Solution

The fourth proportional to 226,724,250.89, 312,869,401.92 and 126,257,870.81 is: 174,230,257.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,724,250.89 : 312,869,401.92 = 126,257,870.81 : x
  2. Step 2: Convert to fraction form
    226,724,250.89/312,869,401.92 = 126,257,870.81/x
  3. Step 3: Cross multiply
    226,724,250.89x = 312,869,401.92 × 126,257,870.81
  4. Step 4: Simplify right side
    226,724,250.89x = 39,502,224,526,452,984
  5. Step 5: Solve for x
    x = 39,502,224,526,452,984/226,724,250.89
  6. Step 6: Final answer
    x = 174,230,257.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.