Home / 65,863,011.54-90,890,866.77-36,496,245.88

Finding the Fourth Proportional to 65,863,011.54, 90,890,866.77 and 36,496,245.88

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Solution

The fourth proportional to 65,863,011.54, 90,890,866.77 and 36,496,245.88 is: 50,364,769.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,863,011.54 : 90,890,866.77 = 36,496,245.88 : x
  2. Step 2: Convert to fraction form
    65,863,011.54/90,890,866.77 = 36,496,245.88/x
  3. Step 3: Cross multiply
    65,863,011.54x = 90,890,866.77 × 36,496,245.88
  4. Step 4: Simplify right side
    65,863,011.54x = 3,317,175,421,884,241.50
  5. Step 5: Solve for x
    x = 3,317,175,421,884,241.50/65,863,011.54
  6. Step 6: Final answer
    x = 50,364,769.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.