Home / 139,857,675.72-209,750,728.26-41,466,374.60

Finding the Fourth Proportional to 139,857,675.72, 209,750,728.26 and 41,466,374.60

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Solution

The fourth proportional to 139,857,675.72, 209,750,728.26 and 41,466,374.60 is: 62,188,951.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,857,675.72 : 209,750,728.26 = 41,466,374.60 : x
  2. Step 2: Convert to fraction form
    139,857,675.72/209,750,728.26 = 41,466,374.60/x
  3. Step 3: Cross multiply
    139,857,675.72x = 209,750,728.26 × 41,466,374.60
  4. Step 4: Simplify right side
    139,857,675.72x = 8,697,602,270,938,765
  5. Step 5: Solve for x
    x = 8,697,602,270,938,765/139,857,675.72
  6. Step 6: Final answer
    x = 62,188,951.92

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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.