Home / 68,496,688.89-102,762,179.42-19,974,548.25

Finding the Fourth Proportional to 68,496,688.89, 102,762,179.42 and 19,974,548.25

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Solution

The fourth proportional to 68,496,688.89, 102,762,179.42 and 19,974,548.25 is: 29,966,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,496,688.89 : 102,762,179.42 = 19,974,548.25 : x
  2. Step 2: Convert to fraction form
    68,496,688.89/102,762,179.42 = 19,974,548.25/x
  3. Step 3: Cross multiply
    68,496,688.89x = 102,762,179.42 × 19,974,548.25
  4. Step 4: Simplify right side
    68,496,688.89x = 2,052,628,111,000,074.50
  5. Step 5: Solve for x
    x = 2,052,628,111,000,074.50/68,496,688.89
  6. Step 6: Final answer
    x = 29,966,822.40

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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.