Home / 106,355,863.44-146,892,159.72-71,488,018.80

Finding the Fourth Proportional to 106,355,863.44, 146,892,159.72 and 71,488,018.80

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Solution

The fourth proportional to 106,355,863.44, 146,892,159.72 and 71,488,018.80 is: 98,734,842.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,355,863.44 : 146,892,159.72 = 71,488,018.80 : x
  2. Step 2: Convert to fraction form
    106,355,863.44/146,892,159.72 = 71,488,018.80/x
  3. Step 3: Cross multiply
    106,355,863.44x = 146,892,159.72 × 71,488,018.80
  4. Step 4: Simplify right side
    106,355,863.44x = 10,501,029,475,635,962
  5. Step 5: Solve for x
    x = 10,501,029,475,635,962/106,355,863.44
  6. Step 6: Final answer
    x = 98,734,842.97

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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.