Home / 65,664,498.40-98,496,747.60-38,454,719.20

Finding the Fourth Proportional to 65,664,498.40, 98,496,747.60 and 38,454,719.20

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Solution

The fourth proportional to 65,664,498.40, 98,496,747.60 and 38,454,719.20 is: 57,682,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,664,498.40 : 98,496,747.60 = 38,454,719.20 : x
  2. Step 2: Convert to fraction form
    65,664,498.40/98,496,747.60 = 38,454,719.20/x
  3. Step 3: Cross multiply
    65,664,498.40x = 98,496,747.60 × 38,454,719.20
  4. Step 4: Simplify right side
    65,664,498.40x = 3,787,664,771,071,274
  5. Step 5: Solve for x
    x = 3,787,664,771,071,274/65,664,498.40
  6. Step 6: Final answer
    x = 57,682,078.80

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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.