Home / 308,533,999.32-425,776,308.84-167,405,173.74

Finding the Fourth Proportional to 308,533,999.32, 425,776,308.84 and 167,405,173.74

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Solution

The fourth proportional to 308,533,999.32, 425,776,308.84 and 167,405,173.74 is: 231,018,808.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,533,999.32 : 425,776,308.84 = 167,405,173.74 : x
  2. Step 2: Convert to fraction form
    308,533,999.32/425,776,308.84 = 167,405,173.74/x
  3. Step 3: Cross multiply
    308,533,999.32x = 425,776,308.84 × 167,405,173.74
  4. Step 4: Simplify right side
    308,533,999.32x = 71,277,156,955,736,096
  5. Step 5: Solve for x
    x = 71,277,156,955,736,096/308,533,999.32
  6. Step 6: Final answer
    x = 231,018,808.67

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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.