Home / 89,099,374.78-122,957,410.45-49,409,700.15

Finding the Fourth Proportional to 89,099,374.78, 122,957,410.45 and 49,409,700.15

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Solution

The fourth proportional to 89,099,374.78, 122,957,410.45 and 49,409,700.15 is: 68,185,537.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,099,374.78 : 122,957,410.45 = 49,409,700.15 : x
  2. Step 2: Convert to fraction form
    89,099,374.78/122,957,410.45 = 49,409,700.15/x
  3. Step 3: Cross multiply
    89,099,374.78x = 122,957,410.45 × 49,409,700.15
  4. Step 4: Simplify right side
    89,099,374.78x = 6,075,288,781,154,462
  5. Step 5: Solve for x
    x = 6,075,288,781,154,462/89,099,374.78
  6. Step 6: Final answer
    x = 68,185,537.73

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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.