Home / 172,814,713.58-259,222,332.85-70,578,751.21

Finding the Fourth Proportional to 172,814,713.58, 259,222,332.85 and 70,578,751.21

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Solution

The fourth proportional to 172,814,713.58, 259,222,332.85 and 70,578,751.21 is: 105,868,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,814,713.58 : 259,222,332.85 = 70,578,751.21 : x
  2. Step 2: Convert to fraction form
    172,814,713.58/259,222,332.85 = 70,578,751.21/x
  3. Step 3: Cross multiply
    172,814,713.58x = 259,222,332.85 × 70,578,751.21
  4. Step 4: Simplify right side
    172,814,713.58x = 18,295,588,537,471,456
  5. Step 5: Solve for x
    x = 18,295,588,537,471,456/172,814,713.58
  6. Step 6: Final answer
    x = 105,868,234.01

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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.