Home / 69,989,723.40-104,984,585.10-66,021,630.60

Finding the Fourth Proportional to 69,989,723.40, 104,984,585.10 and 66,021,630.60

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Solution

The fourth proportional to 69,989,723.40, 104,984,585.10 and 66,021,630.60 is: 99,032,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,989,723.40 : 104,984,585.10 = 66,021,630.60 : x
  2. Step 2: Convert to fraction form
    69,989,723.40/104,984,585.10 = 66,021,630.60/x
  3. Step 3: Cross multiply
    69,989,723.40x = 104,984,585.10 × 66,021,630.60
  4. Step 4: Simplify right side
    69,989,723.40x = 6,931,253,496,166,464
  5. Step 5: Solve for x
    x = 6,931,253,496,166,464/69,989,723.40
  6. Step 6: Final answer
    x = 99,032,445.90

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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.