Home / 172,493,338.40-258,740,007.60-170,225,856.80

Finding the Fourth Proportional to 172,493,338.40, 258,740,007.60 and 170,225,856.80

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Solution

The fourth proportional to 172,493,338.40, 258,740,007.60 and 170,225,856.80 is: 255,338,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,493,338.40 : 258,740,007.60 = 170,225,856.80 : x
  2. Step 2: Convert to fraction form
    172,493,338.40/258,740,007.60 = 170,225,856.80/x
  3. Step 3: Cross multiply
    172,493,338.40x = 258,740,007.60 × 170,225,856.80
  4. Step 4: Simplify right side
    172,493,338.40x = 44,044,239,482,148,512
  5. Step 5: Solve for x
    x = 44,044,239,482,148,512/172,493,338.40
  6. Step 6: Final answer
    x = 255,338,785.20

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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.