Home / 64,157,438.40-96,236,157.60-21,028,048.80

Finding the Fourth Proportional to 64,157,438.40, 96,236,157.60 and 21,028,048.80

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Solution

The fourth proportional to 64,157,438.40, 96,236,157.60 and 21,028,048.80 is: 31,542,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,157,438.40 : 96,236,157.60 = 21,028,048.80 : x
  2. Step 2: Convert to fraction form
    64,157,438.40/96,236,157.60 = 21,028,048.80/x
  3. Step 3: Cross multiply
    64,157,438.40x = 96,236,157.60 × 21,028,048.80
  4. Step 4: Simplify right side
    64,157,438.40x = 2,023,658,618,337,290.75
  5. Step 5: Solve for x
    x = 2,023,658,618,337,290.75/64,157,438.40
  6. Step 6: Final answer
    x = 31,542,073.20

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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.