Home / 99,587,008.08-137,430,670.20-55,536,790.80

Finding the Fourth Proportional to 99,587,008.08, 137,430,670.20 and 55,536,790.80

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Solution

The fourth proportional to 99,587,008.08, 137,430,670.20 and 55,536,790.80 is: 76,641,105.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,587,008.08 : 137,430,670.20 = 55,536,790.80 : x
  2. Step 2: Convert to fraction form
    99,587,008.08/137,430,670.20 = 55,536,790.80/x
  3. Step 3: Cross multiply
    99,587,008.08x = 137,430,670.20 × 55,536,790.80
  4. Step 4: Simplify right side
    99,587,008.08x = 7,632,458,380,401,193
  5. Step 5: Solve for x
    x = 7,632,458,380,401,193/99,587,008.08
  6. Step 6: Final answer
    x = 76,641,105.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.