Home / 57,477,020.20-86,215,530.30-51,241,445.80

Finding the Fourth Proportional to 57,477,020.20, 86,215,530.30 and 51,241,445.80

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Solution

The fourth proportional to 57,477,020.20, 86,215,530.30 and 51,241,445.80 is: 76,862,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,477,020.20 : 86,215,530.30 = 51,241,445.80 : x
  2. Step 2: Convert to fraction form
    57,477,020.20/86,215,530.30 = 51,241,445.80/x
  3. Step 3: Cross multiply
    57,477,020.20x = 86,215,530.30 × 51,241,445.80
  4. Step 4: Simplify right side
    57,477,020.20x = 4,417,808,422,985,707.50
  5. Step 5: Solve for x
    x = 4,417,808,422,985,707.50/57,477,020.20
  6. Step 6: Final answer
    x = 76,862,168.70

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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.