Home / 218,652,990.72-301,744,713.42-130,554,686.94

Finding the Fourth Proportional to 218,652,990.72, 301,744,713.42 and 130,554,686.94

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Solution

The fourth proportional to 218,652,990.72, 301,744,713.42 and 130,554,686.94 is: 180,167,609.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,652,990.72 : 301,744,713.42 = 130,554,686.94 : x
  2. Step 2: Convert to fraction form
    218,652,990.72/301,744,713.42 = 130,554,686.94/x
  3. Step 3: Cross multiply
    218,652,990.72x = 301,744,713.42 × 130,554,686.94
  4. Step 4: Simplify right side
    218,652,990.72x = 39,394,186,596,348,120
  5. Step 5: Solve for x
    x = 39,394,186,596,348,120/218,652,990.72
  6. Step 6: Final answer
    x = 180,167,609.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.