Home / 91,091,493.54-125,575,515.90-64,940,610.60

Finding the Fourth Proportional to 91,091,493.54, 125,575,515.90 and 64,940,610.60

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Solution

The fourth proportional to 91,091,493.54, 125,575,515.90 and 64,940,610.60 is: 89,524,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,091,493.54 : 125,575,515.90 = 64,940,610.60 : x
  2. Step 2: Convert to fraction form
    91,091,493.54/125,575,515.90 = 64,940,610.60/x
  3. Step 3: Cross multiply
    91,091,493.54x = 125,575,515.90 × 64,940,610.60
  4. Step 4: Simplify right side
    91,091,493.54x = 8,154,950,678,956,009
  5. Step 5: Solve for x
    x = 8,154,950,678,956,009/91,091,493.54
  6. Step 6: Final answer
    x = 89,524,832.25

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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.