Home / 141,720,003.60-212,580,005.40-107,455,837.20

Finding the Fourth Proportional to 141,720,003.60, 212,580,005.40 and 107,455,837.20

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Solution

The fourth proportional to 141,720,003.60, 212,580,005.40 and 107,455,837.20 is: 161,183,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,720,003.60 : 212,580,005.40 = 107,455,837.20 : x
  2. Step 2: Convert to fraction form
    141,720,003.60/212,580,005.40 = 107,455,837.20/x
  3. Step 3: Cross multiply
    141,720,003.60x = 212,580,005.40 × 107,455,837.20
  4. Step 4: Simplify right side
    141,720,003.60x = 22,842,962,452,237,524
  5. Step 5: Solve for x
    x = 22,842,962,452,237,524/141,720,003.60
  6. Step 6: Final answer
    x = 161,183,755.80

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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.