Home / 97,739,487.40-146,512,808.70-54,629,343.40

Finding the Fourth Proportional to 97,739,487.40, 146,512,808.70 and 54,629,343.40

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Solution

The fourth proportional to 97,739,487.40, 146,512,808.70 and 54,629,343.40 is: 81,890,121.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,739,487.40 : 146,512,808.70 = 54,629,343.40 : x
  2. Step 2: Convert to fraction form
    97,739,487.40/146,512,808.70 = 54,629,343.40/x
  3. Step 3: Cross multiply
    97,739,487.40x = 146,512,808.70 × 54,629,343.40
  4. Step 4: Simplify right side
    97,739,487.40x = 8,003,898,538,970,807
  5. Step 5: Solve for x
    x = 8,003,898,538,970,807/97,739,487.40
  6. Step 6: Final answer
    x = 81,890,121.91

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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.