Home / 172,814,717.02-259,222,338-70,578,754.64

Finding the Fourth Proportional to 172,814,717.02, 259,222,338 and 70,578,754.64

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Solution

The fourth proportional to 172,814,717.02, 259,222,338 and 70,578,754.64 is: 105,868,239.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,814,717.02 : 259,222,338 = 70,578,754.64 : x
  2. Step 2: Convert to fraction form
    172,814,717.02/259,222,338 = 70,578,754.64/x
  3. Step 3: Cross multiply
    172,814,717.02x = 259,222,338 × 70,578,754.64
  4. Step 4: Simplify right side
    172,814,717.02x = 18,295,589,790,909,148
  5. Step 5: Solve for x
    x = 18,295,589,790,909,148/172,814,717.02
  6. Step 6: Final answer
    x = 105,868,239.15

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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.