Home / 81,026,611.34-111,815,678.48-46,219,883.04

Finding the Fourth Proportional to 81,026,611.34, 111,815,678.48 and 46,219,883.04

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Solution

The fourth proportional to 81,026,611.34, 111,815,678.48 and 46,219,883.04 is: 63,782,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,026,611.34 : 111,815,678.48 = 46,219,883.04 : x
  2. Step 2: Convert to fraction form
    81,026,611.34/111,815,678.48 = 46,219,883.04/x
  3. Step 3: Cross multiply
    81,026,611.34x = 111,815,678.48 × 46,219,883.04
  4. Step 4: Simplify right side
    81,026,611.34x = 5,168,107,581,152,745
  5. Step 5: Solve for x
    x = 5,168,107,581,152,745/81,026,611.34
  6. Step 6: Final answer
    x = 63,782,842.40

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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.