Home / 74,890,003.10-112,335,004.65-66,529,247.90

Finding the Fourth Proportional to 74,890,003.10, 112,335,004.65 and 66,529,247.90

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Solution

The fourth proportional to 74,890,003.10, 112,335,004.65 and 66,529,247.90 is: 99,793,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,890,003.10 : 112,335,004.65 = 66,529,247.90 : x
  2. Step 2: Convert to fraction form
    74,890,003.10/112,335,004.65 = 66,529,247.90/x
  3. Step 3: Cross multiply
    74,890,003.10x = 112,335,004.65 × 66,529,247.90
  4. Step 4: Simplify right side
    74,890,003.10x = 7,473,563,372,207,503
  5. Step 5: Solve for x
    x = 7,473,563,372,207,503/74,890,003.10
  6. Step 6: Final answer
    x = 99,793,871.85

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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.