Home / 65,769,393.52-90,761,957.24-36,402,765.76

Finding the Fourth Proportional to 65,769,393.52, 90,761,957.24 and 36,402,765.76

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Solution

The fourth proportional to 65,769,393.52, 90,761,957.24 and 36,402,765.76 is: 50,235,924.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,769,393.52 : 90,761,957.24 = 36,402,765.76 : x
  2. Step 2: Convert to fraction form
    65,769,393.52/90,761,957.24 = 36,402,765.76/x
  3. Step 3: Cross multiply
    65,769,393.52x = 90,761,957.24 × 36,402,765.76
  4. Step 4: Simplify right side
    65,769,393.52x = 3,303,986,269,326,855.50
  5. Step 5: Solve for x
    x = 3,303,986,269,326,855.50/65,769,393.52
  6. Step 6: Final answer
    x = 50,235,924.23

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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.