Home / 43,438,421.40-65,156,635.80-21,867,230.40

Finding the Fourth Proportional to 43,438,421.40, 65,156,635.80 and 21,867,230.40

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Solution

The fourth proportional to 43,438,421.40, 65,156,635.80 and 21,867,230.40 is: 32,800,344.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,438,421.40 : 65,156,635.80 = 21,867,230.40 : x
  2. Step 2: Convert to fraction form
    43,438,421.40/65,156,635.80 = 21,867,230.40/x
  3. Step 3: Cross multiply
    43,438,421.40x = 65,156,635.80 × 21,867,230.40
  4. Step 4: Simplify right side
    43,438,421.40x = 1,424,795,167,127,488.25
  5. Step 5: Solve for x
    x = 1,424,795,167,127,488.25/43,438,421.40
  6. Step 6: Final answer
    x = 32,800,344.06

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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.