Home / 68,903,999.10-103,355,998.65-56,149,415.10

Finding the Fourth Proportional to 68,903,999.10, 103,355,998.65 and 56,149,415.10

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Solution

The fourth proportional to 68,903,999.10, 103,355,998.65 and 56,149,415.10 is: 84,224,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,903,999.10 : 103,355,998.65 = 56,149,415.10 : x
  2. Step 2: Convert to fraction form
    68,903,999.10/103,355,998.65 = 56,149,415.10/x
  3. Step 3: Cross multiply
    68,903,999.10x = 103,355,998.65 × 56,149,415.10
  4. Step 4: Simplify right side
    68,903,999.10x = 5,803,378,871,273,890
  5. Step 5: Solve for x
    x = 5,803,378,871,273,890/68,903,999.10
  6. Step 6: Final answer
    x = 84,224,122.65

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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.