Home / 52,441,989.39-72,383,902.93-30,978,428.11

Finding the Fourth Proportional to 52,441,989.39, 72,383,902.93 and 30,978,428.11

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Solution

The fourth proportional to 52,441,989.39, 72,383,902.93 and 30,978,428.11 is: 42,758,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,441,989.39 : 72,383,902.93 = 30,978,428.11 : x
  2. Step 2: Convert to fraction form
    52,441,989.39/72,383,902.93 = 30,978,428.11/x
  3. Step 3: Cross multiply
    52,441,989.39x = 72,383,902.93 × 30,978,428.11
  4. Step 4: Simplify right side
    52,441,989.39x = 2,242,339,533,160,777
  5. Step 5: Solve for x
    x = 2,242,339,533,160,777/52,441,989.39
  6. Step 6: Final answer
    x = 42,758,475.78

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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.