Home / 217,744,259.40-326,609,390.70-72,184,537.80

Finding the Fourth Proportional to 217,744,259.40, 326,609,390.70 and 72,184,537.80

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Solution

The fourth proportional to 217,744,259.40, 326,609,390.70 and 72,184,537.80 is: 108,274,486.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,744,259.40 : 326,609,390.70 = 72,184,537.80 : x
  2. Step 2: Convert to fraction form
    217,744,259.40/326,609,390.70 = 72,184,537.80/x
  3. Step 3: Cross multiply
    217,744,259.40x = 326,609,390.70 × 72,184,537.80
  4. Step 4: Simplify right side
    217,744,259.40x = 23,576,147,908,819,116
  5. Step 5: Solve for x
    x = 23,576,147,908,819,116/217,744,259.40
  6. Step 6: Final answer
    x = 108,274,486.66

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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.