Home / 218,652,763.57-301,744,398.58-130,554,459.79

Finding the Fourth Proportional to 218,652,763.57, 301,744,398.58 and 130,554,459.79

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Solution

The fourth proportional to 218,652,763.57, 301,744,398.58 and 130,554,459.79 is: 180,167,294.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,652,763.57 : 301,744,398.58 = 130,554,459.79 : x
  2. Step 2: Convert to fraction form
    218,652,763.57/301,744,398.58 = 130,554,459.79/x
  3. Step 3: Cross multiply
    218,652,763.57x = 301,744,398.58 × 130,554,459.79
  4. Step 4: Simplify right side
    218,652,763.57x = 39,394,076,949,108,848
  5. Step 5: Solve for x
    x = 39,394,076,949,108,848/218,652,763.57
  6. Step 6: Final answer
    x = 180,167,294.97

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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.