Home / 141,021,412.87-194,615,627.80-78,297,513.92

Finding the Fourth Proportional to 141,021,412.87, 194,615,627.80 and 78,297,513.92

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Solution

The fourth proportional to 141,021,412.87, 194,615,627.80 and 78,297,513.92 is: 108,053,943.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,021,412.87 : 194,615,627.80 = 78,297,513.92 : x
  2. Step 2: Convert to fraction form
    141,021,412.87/194,615,627.80 = 78,297,513.92/x
  3. Step 3: Cross multiply
    141,021,412.87x = 194,615,627.80 × 78,297,513.92
  4. Step 4: Simplify right side
    141,021,412.87x = 15,237,919,827,336,834
  5. Step 5: Solve for x
    x = 15,237,919,827,336,834/141,021,412.87
  6. Step 6: Final answer
    x = 108,053,943.85

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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.