Home / 172,891,043.12-259,354,727.26-56,315,483.68

Finding the Fourth Proportional to 172,891,043.12, 259,354,727.26 and 56,315,483.68

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Solution

The fourth proportional to 172,891,043.12, 259,354,727.26 and 56,315,483.68 is: 84,479,141.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,891,043.12 : 259,354,727.26 = 56,315,483.68 : x
  2. Step 2: Convert to fraction form
    172,891,043.12/259,354,727.26 = 56,315,483.68/x
  3. Step 3: Cross multiply
    172,891,043.12x = 259,354,727.26 × 56,315,483.68
  4. Step 4: Simplify right side
    172,891,043.12x = 14,605,686,910,059,804
  5. Step 5: Solve for x
    x = 14,605,686,910,059,804/172,891,043.12
  6. Step 6: Final answer
    x = 84,479,141.58

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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.