Home / 43,700,909.40-65,559,237.30-18,144,502.20

Finding the Fourth Proportional to 43,700,909.40, 65,559,237.30 and 18,144,502.20

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Solution

The fourth proportional to 43,700,909.40, 65,559,237.30 and 18,144,502.20 is: 27,220,022.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,700,909.40 : 65,559,237.30 = 18,144,502.20 : x
  2. Step 2: Convert to fraction form
    43,700,909.40/65,559,237.30 = 18,144,502.20/x
  3. Step 3: Cross multiply
    43,700,909.40x = 65,559,237.30 × 18,144,502.20
  4. Step 4: Simplify right side
    43,700,909.40x = 1,189,539,725,420,172
  5. Step 5: Solve for x
    x = 1,189,539,725,420,172/43,700,909.40
  6. Step 6: Final answer
    x = 27,220,022.23

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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.