Home / 114,924,679.40-172,470,999.90-80,912,455.40

Finding the Fourth Proportional to 114,924,679.40, 172,470,999.90 and 80,912,455.40

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Solution

The fourth proportional to 114,924,679.40, 172,470,999.90 and 80,912,455.40 is: 121,427,809.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,924,679.40 : 172,470,999.90 = 80,912,455.40 : x
  2. Step 2: Convert to fraction form
    114,924,679.40/172,470,999.90 = 80,912,455.40/x
  3. Step 3: Cross multiply
    114,924,679.40x = 172,470,999.90 × 80,912,455.40
  4. Step 4: Simplify right side
    114,924,679.40x = 13,955,052,087,202,156
  5. Step 5: Solve for x
    x = 13,955,052,087,202,156/114,924,679.40
  6. Step 6: Final answer
    x = 121,427,809.59

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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.