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Finding the Fourth Proportional to 273,581,008.64, 410,372,329.44 and 66,318,597.44

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Solution

The fourth proportional to 273,581,008.64, 410,372,329.44 and 66,318,597.44 is: 99,478,094.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,581,008.64 : 410,372,329.44 = 66,318,597.44 : x
  2. Step 2: Convert to fraction form
    273,581,008.64/410,372,329.44 = 66,318,597.44/x
  3. Step 3: Cross multiply
    273,581,008.64x = 410,372,329.44 × 66,318,597.44
  4. Step 4: Simplify right side
    273,581,008.64x = 27,215,317,316,646,420
  5. Step 5: Solve for x
    x = 27,215,317,316,646,420/273,581,008.64
  6. Step 6: Final answer
    x = 99,478,094.08

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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.