Home / 91,260,760-125,939,848.80-52,629,592

Finding the Fourth Proportional to 91,260,760, 125,939,848.80 and 52,629,592

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Solution

The fourth proportional to 91,260,760, 125,939,848.80 and 52,629,592 is: 72,628,836.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,260,760 : 125,939,848.80 = 52,629,592 : x
  2. Step 2: Convert to fraction form
    91,260,760/125,939,848.80 = 52,629,592/x
  3. Step 3: Cross multiply
    91,260,760x = 125,939,848.80 × 52,629,592
  4. Step 4: Simplify right side
    91,260,760x = 6,628,162,858,885,689
  5. Step 5: Solve for x
    x = 6,628,162,858,885,689/91,260,760
  6. Step 6: Final answer
    x = 72,628,836.96

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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.