Home / 218,652,762.82-301,744,397.54-130,554,459.04

Finding the Fourth Proportional to 218,652,762.82, 301,744,397.54 and 130,554,459.04

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Solution

The fourth proportional to 218,652,762.82, 301,744,397.54 and 130,554,459.04 is: 180,167,293.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,652,762.82 : 301,744,397.54 = 130,554,459.04 : x
  2. Step 2: Convert to fraction form
    218,652,762.82/301,744,397.54 = 130,554,459.04/x
  3. Step 3: Cross multiply
    218,652,762.82x = 301,744,397.54 × 130,554,459.04
  4. Step 4: Simplify right side
    218,652,762.82x = 39,394,076,587,676,688
  5. Step 5: Solve for x
    x = 39,394,076,587,676,688/218,652,762.82
  6. Step 6: Final answer
    x = 180,167,293.93

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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.