Home / 196,637,342.40-295,074,111.60-81,609,890.40

Finding the Fourth Proportional to 196,637,342.40, 295,074,111.60 and 81,609,890.40

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Solution

The fourth proportional to 196,637,342.40, 295,074,111.60 and 81,609,890.40 is: 122,463,849.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,637,342.40 : 295,074,111.60 = 81,609,890.40 : x
  2. Step 2: Convert to fraction form
    196,637,342.40/295,074,111.60 = 81,609,890.40/x
  3. Step 3: Cross multiply
    196,637,342.40x = 295,074,111.60 × 81,609,890.40
  4. Step 4: Simplify right side
    196,637,342.40x = 24,080,965,907,553,372
  5. Step 5: Solve for x
    x = 24,080,965,907,553,372/196,637,342.40
  6. Step 6: Final answer
    x = 122,463,849.51

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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.