Home / 147,277,234.67-220,915,842.89-139,912,840.22

Finding the Fourth Proportional to 147,277,234.67, 220,915,842.89 and 139,912,840.22

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Solution

The fourth proportional to 147,277,234.67, 220,915,842.89 and 139,912,840.22 is: 209,869,251.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,277,234.67 : 220,915,842.89 = 139,912,840.22 : x
  2. Step 2: Convert to fraction form
    147,277,234.67/220,915,842.89 = 139,912,840.22/x
  3. Step 3: Cross multiply
    147,277,234.67x = 220,915,842.89 × 139,912,840.22
  4. Step 4: Simplify right side
    147,277,234.67x = 30,908,963,026,531,048
  5. Step 5: Solve for x
    x = 30,908,963,026,531,048/147,277,234.67
  6. Step 6: Final answer
    x = 209,869,251.67

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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.