Home / 161,254,348.16-240,704,304.46-138,372,325.54

Finding the Fourth Proportional to 161,254,348.16, 240,704,304.46 and 138,372,325.54

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Solution

The fourth proportional to 161,254,348.16, 240,704,304.46 and 138,372,325.54 is: 206,548,317.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,254,348.16 : 240,704,304.46 = 138,372,325.54 : x
  2. Step 2: Convert to fraction form
    161,254,348.16/240,704,304.46 = 138,372,325.54/x
  3. Step 3: Cross multiply
    161,254,348.16x = 240,704,304.46 × 138,372,325.54
  4. Step 4: Simplify right side
    161,254,348.16x = 33,306,814,374,670,704
  5. Step 5: Solve for x
    x = 33,306,814,374,670,704/161,254,348.16
  6. Step 6: Final answer
    x = 206,548,317.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.