Home / 194,039,803.80-291,201,423.30-136,644,175.80

Finding the Fourth Proportional to 194,039,803.80, 291,201,423.30 and 136,644,175.80

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Solution

The fourth proportional to 194,039,803.80, 291,201,423.30 and 136,644,175.80 is: 205,066,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,039,803.80 : 291,201,423.30 = 136,644,175.80 : x
  2. Step 2: Convert to fraction form
    194,039,803.80/291,201,423.30 = 136,644,175.80/x
  3. Step 3: Cross multiply
    194,039,803.80x = 291,201,423.30 × 136,644,175.80
  4. Step 4: Simplify right side
    194,039,803.80x = 39,790,978,478,615,424
  5. Step 5: Solve for x
    x = 39,790,978,478,615,424/194,039,803.80
  6. Step 6: Final answer
    x = 205,066,062.22

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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.