Home / 306,368,175.68-422,786,076-174,209,181.92

Finding the Fourth Proportional to 306,368,175.68, 422,786,076 and 174,209,181.92

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Solution

The fourth proportional to 306,368,175.68, 422,786,076 and 174,209,181.92 is: 240,407,530.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,368,175.68 : 422,786,076 = 174,209,181.92 : x
  2. Step 2: Convert to fraction form
    306,368,175.68/422,786,076 = 174,209,181.92/x
  3. Step 3: Cross multiply
    306,368,175.68x = 422,786,076 × 174,209,181.92
  4. Step 4: Simplify right side
    306,368,175.68x = 73,653,216,427,126,944
  5. Step 5: Solve for x
    x = 73,653,216,427,126,944/306,368,175.68
  6. Step 6: Final answer
    x = 240,407,530.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.