Home / 172,814,691.61-259,222,299.86-70,578,729.24

Finding the Fourth Proportional to 172,814,691.61, 259,222,299.86 and 70,578,729.24

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Solution

The fourth proportional to 172,814,691.61, 259,222,299.86 and 70,578,729.24 is: 105,868,201.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,814,691.61 : 259,222,299.86 = 70,578,729.24 : x
  2. Step 2: Convert to fraction form
    172,814,691.61/259,222,299.86 = 70,578,729.24/x
  3. Step 3: Cross multiply
    172,814,691.61x = 259,222,299.86 × 70,578,729.24
  4. Step 4: Simplify right side
    172,814,691.61x = 18,295,580,513,596,224
  5. Step 5: Solve for x
    x = 18,295,580,513,596,224/172,814,691.61
  6. Step 6: Final answer
    x = 105,868,201.04

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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.