Home / 310,476,314.20-465,715,853.70-80,429,056.60

Finding the Fourth Proportional to 310,476,314.20, 465,715,853.70 and 80,429,056.60

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Solution

The fourth proportional to 310,476,314.20, 465,715,853.70 and 80,429,056.60 is: 120,643,943.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,476,314.20 : 465,715,853.70 = 80,429,056.60 : x
  2. Step 2: Convert to fraction form
    310,476,314.20/465,715,853.70 = 80,429,056.60/x
  3. Step 3: Cross multiply
    310,476,314.20x = 465,715,853.70 × 80,429,056.60
  4. Step 4: Simplify right side
    310,476,314.20x = 37,457,086,756,754,616
  5. Step 5: Solve for x
    x = 37,457,086,756,754,616/310,476,314.20
  6. Step 6: Final answer
    x = 120,643,943.01

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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.