Home / 102,615,809.05-141,608,066.27-55,572,500.27

Finding the Fourth Proportional to 102,615,809.05, 141,608,066.27 and 55,572,500.27

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Solution

The fourth proportional to 102,615,809.05, 141,608,066.27 and 55,572,500.27 is: 76,689,102.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,615,809.05 : 141,608,066.27 = 55,572,500.27 : x
  2. Step 2: Convert to fraction form
    102,615,809.05/141,608,066.27 = 55,572,500.27/x
  3. Step 3: Cross multiply
    102,615,809.05x = 141,608,066.27 × 55,572,500.27
  4. Step 4: Simplify right side
    102,615,809.05x = 7,869,514,300,176,782
  5. Step 5: Solve for x
    x = 7,869,514,300,176,782/102,615,809.05
  6. Step 6: Final answer
    x = 76,689,102.52

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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.