Home / 108,489,020.82-149,716,210.20-58,930,222.02

Finding the Fourth Proportional to 108,489,020.82, 149,716,210.20 and 58,930,222.02

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Solution

The fourth proportional to 108,489,020.82, 149,716,210.20 and 58,930,222.02 is: 81,324,445.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,489,020.82 : 149,716,210.20 = 58,930,222.02 : x
  2. Step 2: Convert to fraction form
    108,489,020.82/149,716,210.20 = 58,930,222.02/x
  3. Step 3: Cross multiply
    108,489,020.82x = 149,716,210.20 × 58,930,222.02
  4. Step 4: Simplify right side
    108,489,020.82x = 8,822,809,507,078,988
  5. Step 5: Solve for x
    x = 8,822,809,507,078,988/108,489,020.82
  6. Step 6: Final answer
    x = 81,324,445.92

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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.