Home / 52,157,043.99-78,217,849.67-18,070,432.83

Finding the Fourth Proportional to 52,157,043.99, 78,217,849.67 and 18,070,432.83

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Solution

The fourth proportional to 52,157,043.99, 78,217,849.67 and 18,070,432.83 is: 27,099,511.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,157,043.99 : 78,217,849.67 = 18,070,432.83 : x
  2. Step 2: Convert to fraction form
    52,157,043.99/78,217,849.67 = 18,070,432.83/x
  3. Step 3: Cross multiply
    52,157,043.99x = 78,217,849.67 × 18,070,432.83
  4. Step 4: Simplify right side
    52,157,043.99x = 1,413,430,398,478,420.50
  5. Step 5: Solve for x
    x = 1,413,430,398,478,420.50/52,157,043.99
  6. Step 6: Final answer
    x = 27,099,511.21

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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.