Home / 245,202,411.72-338,104,424.46-200,409,381.21

Finding the Fourth Proportional to 245,202,411.72, 338,104,424.46 and 200,409,381.21

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Solution

The fourth proportional to 245,202,411.72, 338,104,424.46 and 200,409,381.21 is: 276,340,261.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,202,411.72 : 338,104,424.46 = 200,409,381.21 : x
  2. Step 2: Convert to fraction form
    245,202,411.72/338,104,424.46 = 200,409,381.21/x
  3. Step 3: Cross multiply
    245,202,411.72x = 338,104,424.46 × 200,409,381.21
  4. Step 4: Simplify right side
    245,202,411.72x = 67,759,298,490,391,784
  5. Step 5: Solve for x
    x = 67,759,298,490,391,784/245,202,411.72
  6. Step 6: Final answer
    x = 276,340,261.15

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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.