Home / 66,430,245.60-99,645,368.40-50,287,725.23

Finding the Fourth Proportional to 66,430,245.60, 99,645,368.40 and 50,287,725.23

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Solution

The fourth proportional to 66,430,245.60, 99,645,368.40 and 50,287,725.23 is: 75,431,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,245.60 : 99,645,368.40 = 50,287,725.23 : x
  2. Step 2: Convert to fraction form
    66,430,245.60/99,645,368.40 = 50,287,725.23/x
  3. Step 3: Cross multiply
    66,430,245.60x = 99,645,368.40 × 50,287,725.23
  4. Step 4: Simplify right side
    66,430,245.60x = 5,010,938,906,043,098
  5. Step 5: Solve for x
    x = 5,010,938,906,043,098/66,430,245.60
  6. Step 6: Final answer
    x = 75,431,587.84

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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.