Home / 218,652,763.07-301,744,397.89-130,554,459.29

Finding the Fourth Proportional to 218,652,763.07, 301,744,397.89 and 130,554,459.29

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Solution

The fourth proportional to 218,652,763.07, 301,744,397.89 and 130,554,459.29 is: 180,167,294.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,652,763.07 : 301,744,397.89 = 130,554,459.29 : x
  2. Step 2: Convert to fraction form
    218,652,763.07/301,744,397.89 = 130,554,459.29/x
  3. Step 3: Cross multiply
    218,652,763.07x = 301,744,397.89 × 130,554,459.29
  4. Step 4: Simplify right side
    218,652,763.07x = 39,394,076,708,154,072
  5. Step 5: Solve for x
    x = 39,394,076,708,154,072/218,652,763.07
  6. Step 6: Final answer
    x = 180,167,294.28

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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.