Home / 172,575,742.21-258,899,969.16-55,981,994.26

Finding the Fourth Proportional to 172,575,742.21, 258,899,969.16 and 55,981,994.26

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Solution

The fourth proportional to 172,575,742.21, 258,899,969.16 and 55,981,994.26 is: 83,984,784.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,575,742.21 : 258,899,969.16 = 55,981,994.26 : x
  2. Step 2: Convert to fraction form
    172,575,742.21/258,899,969.16 = 55,981,994.26/x
  3. Step 3: Cross multiply
    172,575,742.21x = 258,899,969.16 × 55,981,994.26
  4. Step 4: Simplify right side
    172,575,742.21x = 14,493,736,587,429,296
  5. Step 5: Solve for x
    x = 14,493,736,587,429,296/172,575,742.21
  6. Step 6: Final answer
    x = 83,984,784.89

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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.