Home / 152,494,187.76-210,443,358.96-82,879,733.52

Finding the Fourth Proportional to 152,494,187.76, 210,443,358.96 and 82,879,733.52

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Solution

The fourth proportional to 152,494,187.76, 210,443,358.96 and 82,879,733.52 is: 114,374,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,494,187.76 : 210,443,358.96 = 82,879,733.52 : x
  2. Step 2: Convert to fraction form
    152,494,187.76/210,443,358.96 = 82,879,733.52/x
  3. Step 3: Cross multiply
    152,494,187.76x = 210,443,358.96 × 82,879,733.52
  4. Step 4: Simplify right side
    152,494,187.76x = 17,441,489,511,658,504
  5. Step 5: Solve for x
    x = 17,441,489,511,658,504/152,494,187.76
  6. Step 6: Final answer
    x = 114,374,782.20

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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.