Home / 141,720,012.60-212,580,018.90-107,455,846.20

Finding the Fourth Proportional to 141,720,012.60, 212,580,018.90 and 107,455,846.20

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Solution

The fourth proportional to 141,720,012.60, 212,580,018.90 and 107,455,846.20 is: 161,183,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,720,012.60 : 212,580,018.90 = 107,455,846.20 : x
  2. Step 2: Convert to fraction form
    141,720,012.60/212,580,018.90 = 107,455,846.20/x
  3. Step 3: Cross multiply
    141,720,012.60x = 212,580,018.90 × 107,455,846.20
  4. Step 4: Simplify right side
    141,720,012.60x = 22,842,965,816,111,496
  5. Step 5: Solve for x
    x = 22,842,965,816,111,496/141,720,012.60
  6. Step 6: Final answer
    x = 161,183,769.30

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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.