Home / 148,733,402.49-205,035,771.96-103,940,304.21

Finding the Fourth Proportional to 148,733,402.49, 205,035,771.96 and 103,940,304.21

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Solution

The fourth proportional to 148,733,402.49, 205,035,771.96 and 103,940,304.21 is: 143,286,445.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,733,402.49 : 205,035,771.96 = 103,940,304.21 : x
  2. Step 2: Convert to fraction form
    148,733,402.49/205,035,771.96 = 103,940,304.21/x
  3. Step 3: Cross multiply
    148,733,402.49x = 205,035,771.96 × 103,940,304.21
  4. Step 4: Simplify right side
    148,733,402.49x = 21,311,480,511,454,588
  5. Step 5: Solve for x
    x = 21,311,480,511,454,588/148,733,402.49
  6. Step 6: Final answer
    x = 143,286,445.11

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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.