Home / 81,738,973.01-112,827,116.44-48,709,579.52

Finding the Fourth Proportional to 81,738,973.01, 112,827,116.44 and 48,709,579.52

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Solution

The fourth proportional to 81,738,973.01, 112,827,116.44 and 48,709,579.52 is: 67,235,508.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,738,973.01 : 112,827,116.44 = 48,709,579.52 : x
  2. Step 2: Convert to fraction form
    81,738,973.01/112,827,116.44 = 48,709,579.52/x
  3. Step 3: Cross multiply
    81,738,973.01x = 112,827,116.44 × 48,709,579.52
  4. Step 4: Simplify right side
    81,738,973.01x = 5,495,761,399,743,231
  5. Step 5: Solve for x
    x = 5,495,761,399,743,231/81,738,973.01
  6. Step 6: Final answer
    x = 67,235,508.32

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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.