Home / 100,609,003.95-150,913,505.93-80,453,611.95

Finding the Fourth Proportional to 100,609,003.95, 150,913,505.93 and 80,453,611.95

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Solution

The fourth proportional to 100,609,003.95, 150,913,505.93 and 80,453,611.95 is: 120,680,417.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,609,003.95 : 150,913,505.93 = 80,453,611.95 : x
  2. Step 2: Convert to fraction form
    100,609,003.95/150,913,505.93 = 80,453,611.95/x
  3. Step 3: Cross multiply
    100,609,003.95x = 150,913,505.93 × 80,453,611.95
  4. Step 4: Simplify right side
    100,609,003.95x = 12,141,536,644,106,244
  5. Step 5: Solve for x
    x = 12,141,536,644,106,244/100,609,003.95
  6. Step 6: Final answer
    x = 120,680,417.93

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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.