Home / 68,083,122.42-102,140,823.69-19,559,803.50

Finding the Fourth Proportional to 68,083,122.42, 102,140,823.69 and 19,559,803.50

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Solution

The fourth proportional to 68,083,122.42, 102,140,823.69 and 19,559,803.50 is: 29,344,342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,083,122.42 : 102,140,823.69 = 19,559,803.50 : x
  2. Step 2: Convert to fraction form
    68,083,122.42/102,140,823.69 = 19,559,803.50/x
  3. Step 3: Cross multiply
    68,083,122.42x = 102,140,823.69 × 19,559,803.50
  4. Step 4: Simplify right side
    68,083,122.42x = 1,997,854,440,704,544.75
  5. Step 5: Solve for x
    x = 1,997,854,440,704,544.75/68,083,122.42
  6. Step 6: Final answer
    x = 29,344,342.18

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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.