Home / 196,637,343.40-295,074,113.10-81,609,891.40

Finding the Fourth Proportional to 196,637,343.40, 295,074,113.10 and 81,609,891.40

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Solution

The fourth proportional to 196,637,343.40, 295,074,113.10 and 81,609,891.40 is: 122,463,851.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,637,343.40 : 295,074,113.10 = 81,609,891.40 : x
  2. Step 2: Convert to fraction form
    196,637,343.40/295,074,113.10 = 81,609,891.40/x
  3. Step 3: Cross multiply
    196,637,343.40x = 295,074,113.10 × 81,609,891.40
  4. Step 4: Simplify right side
    196,637,343.40x = 24,080,966,325,042,320
  5. Step 5: Solve for x
    x = 24,080,966,325,042,320/196,637,343.40
  6. Step 6: Final answer
    x = 122,463,851.01

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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.