Home / 102,615,843.96-141,608,114.40-55,572,535.32

Finding the Fourth Proportional to 102,615,843.96, 141,608,114.40 and 55,572,535.32

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Solution

The fourth proportional to 102,615,843.96, 141,608,114.40 and 55,572,535.32 is: 76,689,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,615,843.96 : 141,608,114.40 = 55,572,535.32 : x
  2. Step 2: Convert to fraction form
    102,615,843.96/141,608,114.40 = 55,572,535.32/x
  3. Step 3: Cross multiply
    102,615,843.96x = 141,608,114.40 × 55,572,535.32
  4. Step 4: Simplify right side
    102,615,843.96x = 7,869,521,939,092,601
  5. Step 5: Solve for x
    x = 7,869,521,939,092,601/102,615,843.96
  6. Step 6: Final answer
    x = 76,689,150.87

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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.