Home / 253,741,276.89-380,612,249.06-69,510,390.71

Finding the Fourth Proportional to 253,741,276.89, 380,612,249.06 and 69,510,390.71

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Solution

The fourth proportional to 253,741,276.89, 380,612,249.06 and 69,510,390.71 is: 104,265,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,741,276.89 : 380,612,249.06 = 69,510,390.71 : x
  2. Step 2: Convert to fraction form
    253,741,276.89/380,612,249.06 = 69,510,390.71/x
  3. Step 3: Cross multiply
    253,741,276.89x = 380,612,249.06 × 69,510,390.71
  4. Step 4: Simplify right side
    253,741,276.89x = 26,456,506,138,921,816
  5. Step 5: Solve for x
    x = 26,456,506,138,921,816/253,741,276.89
  6. Step 6: Final answer
    x = 104,265,677.48

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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.