Home / 310,476,313.20-465,715,852.20-80,429,055.60

Finding the Fourth Proportional to 310,476,313.20, 465,715,852.20 and 80,429,055.60

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Solution

The fourth proportional to 310,476,313.20, 465,715,852.20 and 80,429,055.60 is: 120,643,941.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,476,313.20 : 465,715,852.20 = 80,429,055.60 : x
  2. Step 2: Convert to fraction form
    310,476,313.20/465,715,852.20 = 80,429,055.60/x
  3. Step 3: Cross multiply
    310,476,313.20x = 465,715,852.20 × 80,429,055.60
  4. Step 4: Simplify right side
    310,476,313.20x = 37,457,086,170,395,176
  5. Step 5: Solve for x
    x = 37,457,086,170,395,176/310,476,313.20
  6. Step 6: Final answer
    x = 120,643,941.51

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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.