Home / 171,356,133.15-257,021,627.78-54,740,177.74

Finding the Fourth Proportional to 171,356,133.15, 257,021,627.78 and 54,740,177.74

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Solution

The fourth proportional to 171,356,133.15, 257,021,627.78 and 54,740,177.74 is: 82,106,250.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,356,133.15 : 257,021,627.78 = 54,740,177.74 : x
  2. Step 2: Convert to fraction form
    171,356,133.15/257,021,627.78 = 54,740,177.74/x
  3. Step 3: Cross multiply
    171,356,133.15x = 257,021,627.78 × 54,740,177.74
  4. Step 4: Simplify right side
    171,356,133.15x = 14,069,409,587,701,322
  5. Step 5: Solve for x
    x = 14,069,409,587,701,322/171,356,133.15
  6. Step 6: Final answer
    x = 82,106,250.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.