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Finding the Fourth Proportional to 273,266,340.80, 409,899,511.20 and 79,184,087.60

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Solution

The fourth proportional to 273,266,340.80, 409,899,511.20 and 79,184,087.60 is: 118,776,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,266,340.80 : 409,899,511.20 = 79,184,087.60 : x
  2. Step 2: Convert to fraction form
    273,266,340.80/409,899,511.20 = 79,184,087.60/x
  3. Step 3: Cross multiply
    273,266,340.80x = 409,899,511.20 × 79,184,087.60
  4. Step 4: Simplify right side
    273,266,340.80x = 32,457,518,802,057,976
  5. Step 5: Solve for x
    x = 32,457,518,802,057,976/273,266,340.80
  6. Step 6: Final answer
    x = 118,776,131.40

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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.