Home / 171,521,081.52-257,292,819.78-125,600,380.08

Finding the Fourth Proportional to 171,521,081.52, 257,292,819.78 and 125,600,380.08

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Solution

The fourth proportional to 171,521,081.52, 257,292,819.78 and 125,600,380.08 is: 188,408,769.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,521,081.52 : 257,292,819.78 = 125,600,380.08 : x
  2. Step 2: Convert to fraction form
    171,521,081.52/257,292,819.78 = 125,600,380.08/x
  3. Step 3: Cross multiply
    171,521,081.52x = 257,292,819.78 × 125,600,380.08
  4. Step 4: Simplify right side
    171,521,081.52x = 32,316,075,956,222,940
  5. Step 5: Solve for x
    x = 32,316,075,956,222,940/171,521,081.52
  6. Step 6: Final answer
    x = 188,408,769.75

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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.