Home / 275,623,681.68-413,413,827.39-120,173,821.20

Finding the Fourth Proportional to 275,623,681.68, 413,413,827.39 and 120,173,821.20

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Solution

The fourth proportional to 275,623,681.68, 413,413,827.39 and 120,173,821.20 is: 180,251,272.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,623,681.68 : 413,413,827.39 = 120,173,821.20 : x
  2. Step 2: Convert to fraction form
    275,623,681.68/413,413,827.39 = 120,173,821.20/x
  3. Step 3: Cross multiply
    275,623,681.68x = 413,413,827.39 × 120,173,821.20
  4. Step 4: Simplify right side
    275,623,681.68x = 49,681,519,374,373,520
  5. Step 5: Solve for x
    x = 49,681,519,374,373,520/275,623,681.68
  6. Step 6: Final answer
    x = 180,251,272.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.