Home / 324,807,929.10-487,017,321.12-103,383,626.94

Finding the Fourth Proportional to 324,807,929.10, 487,017,321.12 and 103,383,626.94

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Solution

The fourth proportional to 324,807,929.10, 487,017,321.12 and 103,383,626.94 is: 155,013,509.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,807,929.10 : 487,017,321.12 = 103,383,626.94 : x
  2. Step 2: Convert to fraction form
    324,807,929.10/487,017,321.12 = 103,383,626.94/x
  3. Step 3: Cross multiply
    324,807,929.10x = 487,017,321.12 × 103,383,626.94
  4. Step 4: Simplify right side
    324,807,929.10x = 50,349,617,039,988,264
  5. Step 5: Solve for x
    x = 50,349,617,039,988,264/324,807,929.10
  6. Step 6: Final answer
    x = 155,013,509.61

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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.