Home / 308,547,268.83-425,807,507.25-169,323,012.90

Finding the Fourth Proportional to 308,547,268.83, 425,807,507.25 and 169,323,012.90

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Solution

The fourth proportional to 308,547,268.83, 425,807,507.25 and 169,323,012.90 is: 233,672,494.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,547,268.83 : 425,807,507.25 = 169,323,012.90 : x
  2. Step 2: Convert to fraction form
    308,547,268.83/425,807,507.25 = 169,323,012.90/x
  3. Step 3: Cross multiply
    308,547,268.83x = 425,807,507.25 × 169,323,012.90
  4. Step 4: Simplify right side
    308,547,268.83x = 72,099,010,043,008,592
  5. Step 5: Solve for x
    x = 72,099,010,043,008,592/308,547,268.83
  6. Step 6: Final answer
    x = 233,672,494.71

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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.