Home / 43,527,028.36-65,191,281.90-20,823,985.48

Finding the Fourth Proportional to 43,527,028.36, 65,191,281.90 and 20,823,985.48

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Solution

The fourth proportional to 43,527,028.36, 65,191,281.90 and 20,823,985.48 is: 31,188,490.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,527,028.36 : 65,191,281.90 = 20,823,985.48 : x
  2. Step 2: Convert to fraction form
    43,527,028.36/65,191,281.90 = 20,823,985.48/x
  3. Step 3: Cross multiply
    43,527,028.36x = 65,191,281.90 × 20,823,985.48
  4. Step 4: Simplify right side
    43,527,028.36x = 1,357,542,307,708,186.75
  5. Step 5: Solve for x
    x = 1,357,542,307,708,186.75/43,527,028.36
  6. Step 6: Final answer
    x = 31,188,490.44

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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.