Home / 47,478,696.80-71,299,546.72-29,142,314.88

Finding the Fourth Proportional to 47,478,696.80, 71,299,546.72 and 29,142,314.88

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Solution

The fourth proportional to 47,478,696.80, 71,299,546.72 and 29,142,314.88 is: 43,763,497.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,478,696.80 : 71,299,546.72 = 29,142,314.88 : x
  2. Step 2: Convert to fraction form
    47,478,696.80/71,299,546.72 = 29,142,314.88/x
  3. Step 3: Cross multiply
    47,478,696.80x = 71,299,546.72 × 29,142,314.88
  4. Step 4: Simplify right side
    47,478,696.80x = 2,077,833,841,315,511
  5. Step 5: Solve for x
    x = 2,077,833,841,315,511/47,478,696.80
  6. Step 6: Final answer
    x = 43,763,497.77

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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.