Home / 165,435,455.10-248,153,182.65-155,231,787.90

Finding the Fourth Proportional to 165,435,455.10, 248,153,182.65 and 155,231,787.90

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Solution

The fourth proportional to 165,435,455.10, 248,153,182.65 and 155,231,787.90 is: 232,847,681.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,435,455.10 : 248,153,182.65 = 155,231,787.90 : x
  2. Step 2: Convert to fraction form
    165,435,455.10/248,153,182.65 = 155,231,787.90/x
  3. Step 3: Cross multiply
    165,435,455.10x = 248,153,182.65 × 155,231,787.90
  4. Step 4: Simplify right side
    165,435,455.10x = 38,521,262,215,834,760
  5. Step 5: Solve for x
    x = 38,521,262,215,834,760/165,435,455.10
  6. Step 6: Final answer
    x = 232,847,681.85

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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.