Home / 81,101,803.58-111,918,181.66-47,610,744.92

Finding the Fourth Proportional to 81,101,803.58, 111,918,181.66 and 47,610,744.92

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Solution

The fourth proportional to 81,101,803.58, 111,918,181.66 and 47,610,744.92 is: 65,701,473.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,101,803.58 : 111,918,181.66 = 47,610,744.92 : x
  2. Step 2: Convert to fraction form
    81,101,803.58/111,918,181.66 = 47,610,744.92/x
  3. Step 3: Cross multiply
    81,101,803.58x = 111,918,181.66 × 47,610,744.92
  4. Step 4: Simplify right side
    81,101,803.58x = 5,328,507,998,924,482
  5. Step 5: Solve for x
    x = 5,328,507,998,924,482/81,101,803.58
  6. Step 6: Final answer
    x = 65,701,473.50

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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.