Home / 230,074,128.68-317,510,131.82-136,068,858.81

Finding the Fourth Proportional to 230,074,128.68, 317,510,131.82 and 136,068,858.81

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Solution

The fourth proportional to 230,074,128.68, 317,510,131.82 and 136,068,858.81 is: 187,779,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,074,128.68 : 317,510,131.82 = 136,068,858.81 : x
  2. Step 2: Convert to fraction form
    230,074,128.68/317,510,131.82 = 136,068,858.81/x
  3. Step 3: Cross multiply
    230,074,128.68x = 317,510,131.82 × 136,068,858.81
  4. Step 4: Simplify right side
    230,074,128.68x = 43,203,241,296,679,728
  5. Step 5: Solve for x
    x = 43,203,241,296,679,728/230,074,128.68
  6. Step 6: Final answer
    x = 187,779,658.43

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1.5x scale

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.