Home / 202,245,727.43-279,019,688.87-117,458,412.42

Finding the Fourth Proportional to 202,245,727.43, 279,019,688.87 and 117,458,412.42

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Solution

The fourth proportional to 202,245,727.43, 279,019,688.87 and 117,458,412.42 is: 162,046,487.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,245,727.43 : 279,019,688.87 = 117,458,412.42 : x
  2. Step 2: Convert to fraction form
    202,245,727.43/279,019,688.87 = 117,458,412.42/x
  3. Step 3: Cross multiply
    202,245,727.43x = 279,019,688.87 × 117,458,412.42
  4. Step 4: Simplify right side
    202,245,727.43x = 32,773,209,688,005,252
  5. Step 5: Solve for x
    x = 32,773,209,688,005,252/202,245,727.43
  6. Step 6: Final answer
    x = 162,046,487.24

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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.