Home / 47,889,110.70-71,833,666.05-28,741,488.30

Finding the Fourth Proportional to 47,889,110.70, 71,833,666.05 and 28,741,488.30

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Solution

The fourth proportional to 47,889,110.70, 71,833,666.05 and 28,741,488.30 is: 43,112,232.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,889,110.70 : 71,833,666.05 = 28,741,488.30 : x
  2. Step 2: Convert to fraction form
    47,889,110.70/71,833,666.05 = 28,741,488.30/x
  3. Step 3: Cross multiply
    47,889,110.70x = 71,833,666.05 × 28,741,488.30
  4. Step 4: Simplify right side
    47,889,110.70x = 2,064,606,472,322,182.25
  5. Step 5: Solve for x
    x = 2,064,606,472,322,182.25/47,889,110.70
  6. Step 6: Final answer
    x = 43,112,232.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.