Home / 139,692,102.82-209,570,575.89-47,576,638.94

Finding the Fourth Proportional to 139,692,102.82, 209,570,575.89 and 47,576,638.94

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Solution

The fourth proportional to 139,692,102.82, 209,570,575.89 and 47,576,638.94 is: 71,376,000.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,692,102.82 : 209,570,575.89 = 47,576,638.94 : x
  2. Step 2: Convert to fraction form
    139,692,102.82/209,570,575.89 = 47,576,638.94/x
  3. Step 3: Cross multiply
    139,692,102.82x = 209,570,575.89 × 47,576,638.94
  4. Step 4: Simplify right side
    139,692,102.82x = 9,970,663,621,328,516
  5. Step 5: Solve for x
    x = 9,970,663,621,328,516/139,692,102.82
  6. Step 6: Final answer
    x = 71,376,000.65

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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.