Home / 97,739,574.40-146,512,939.20-54,629,430.40

Finding the Fourth Proportional to 97,739,574.40, 146,512,939.20 and 54,629,430.40

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Solution

The fourth proportional to 97,739,574.40, 146,512,939.20 and 54,629,430.40 is: 81,890,252.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,739,574.40 : 146,512,939.20 = 54,629,430.40 : x
  2. Step 2: Convert to fraction form
    97,739,574.40/146,512,939.20 = 54,629,430.40/x
  3. Step 3: Cross multiply
    97,739,574.40x = 146,512,939.20 × 54,629,430.40
  4. Step 4: Simplify right side
    97,739,574.40x = 8,003,918,414,725,831
  5. Step 5: Solve for x
    x = 8,003,918,414,725,831/97,739,574.40
  6. Step 6: Final answer
    x = 81,890,252.38

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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.