Home / 262,318,019.89-393,613,207.71-106,985,787.21

Finding the Fourth Proportional to 262,318,019.89, 393,613,207.71 and 106,985,787.21

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Solution

The fourth proportional to 262,318,019.89, 393,613,207.71 and 106,985,787.21 is: 160,534,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,318,019.89 : 393,613,207.71 = 106,985,787.21 : x
  2. Step 2: Convert to fraction form
    262,318,019.89/393,613,207.71 = 106,985,787.21/x
  3. Step 3: Cross multiply
    262,318,019.89x = 393,613,207.71 × 106,985,787.21
  4. Step 4: Simplify right side
    262,318,019.89x = 42,111,018,883,107,584
  5. Step 5: Solve for x
    x = 42,111,018,883,107,584/262,318,019.89
  6. Step 6: Final answer
    x = 160,534,220.64

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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.