Home / 86,329,825.80-129,494,738.70-67,056,232.20

Finding the Fourth Proportional to 86,329,825.80, 129,494,738.70 and 67,056,232.20

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Solution

The fourth proportional to 86,329,825.80, 129,494,738.70 and 67,056,232.20 is: 100,584,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,329,825.80 : 129,494,738.70 = 67,056,232.20 : x
  2. Step 2: Convert to fraction form
    86,329,825.80/129,494,738.70 = 67,056,232.20/x
  3. Step 3: Cross multiply
    86,329,825.80x = 129,494,738.70 × 67,056,232.20
  4. Step 4: Simplify right side
    86,329,825.80x = 8,683,429,266,945,527
  5. Step 5: Solve for x
    x = 8,683,429,266,945,527/86,329,825.80
  6. Step 6: Final answer
    x = 100,584,348.30

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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.