Home / 66,461,288.40-99,794,575.80-36,228,200.40

Finding the Fourth Proportional to 66,461,288.40, 99,794,575.80 and 36,228,200.40

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Solution

The fourth proportional to 66,461,288.40, 99,794,575.80 and 36,228,200.40 is: 54,398,251.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,461,288.40 : 99,794,575.80 = 36,228,200.40 : x
  2. Step 2: Convert to fraction form
    66,461,288.40/99,794,575.80 = 36,228,200.40/x
  3. Step 3: Cross multiply
    66,461,288.40x = 99,794,575.80 × 36,228,200.40
  4. Step 4: Simplify right side
    66,461,288.40x = 3,615,377,890,915,390
  5. Step 5: Solve for x
    x = 3,615,377,890,915,390/66,461,288.40
  6. Step 6: Final answer
    x = 54,398,251.64

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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.