Home / 65,664,477.90-98,496,716.85-38,454,698.70

Finding the Fourth Proportional to 65,664,477.90, 98,496,716.85 and 38,454,698.70

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Solution

The fourth proportional to 65,664,477.90, 98,496,716.85 and 38,454,698.70 is: 57,682,048.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,664,477.90 : 98,496,716.85 = 38,454,698.70 : x
  2. Step 2: Convert to fraction form
    65,664,477.90/98,496,716.85 = 38,454,698.70/x
  3. Step 3: Cross multiply
    65,664,477.90x = 98,496,716.85 × 38,454,698.70
  4. Step 4: Simplify right side
    65,664,477.90x = 3,787,661,569,405,963
  5. Step 5: Solve for x
    x = 3,787,661,569,405,963/65,664,477.90
  6. Step 6: Final answer
    x = 57,682,048.05

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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.