Home / 140,232,254.40-211,305,568.32-115,233,269.76

Finding the Fourth Proportional to 140,232,254.40, 211,305,568.32 and 115,233,269.76

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Solution

The fourth proportional to 140,232,254.40, 211,305,568.32 and 115,233,269.76 is: 173,636,455.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,232,254.40 : 211,305,568.32 = 115,233,269.76 : x
  2. Step 2: Convert to fraction form
    140,232,254.40/211,305,568.32 = 115,233,269.76/x
  3. Step 3: Cross multiply
    140,232,254.40x = 211,305,568.32 × 115,233,269.76
  4. Step 4: Simplify right side
    140,232,254.40x = 24,349,431,556,008,672
  5. Step 5: Solve for x
    x = 24,349,431,556,008,672/140,232,254.40
  6. Step 6: Final answer
    x = 173,636,455.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.