Home / 81,842,720.56-112,926,094.32-47,028,684.76

Finding the Fourth Proportional to 81,842,720.56, 112,926,094.32 and 47,028,684.76

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Solution

The fourth proportional to 81,842,720.56, 112,926,094.32 and 47,028,684.76 is: 64,889,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,842,720.56 : 112,926,094.32 = 47,028,684.76 : x
  2. Step 2: Convert to fraction form
    81,842,720.56/112,926,094.32 = 47,028,684.76/x
  3. Step 3: Cross multiply
    81,842,720.56x = 112,926,094.32 × 47,028,684.76
  4. Step 4: Simplify right side
    81,842,720.56x = 5,310,765,690,953,306
  5. Step 5: Solve for x
    x = 5,310,765,690,953,306/81,842,720.56
  6. Step 6: Final answer
    x = 64,889,896.80

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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.