Home / 151,847,138-209,548,739.40-82,232,498

Finding the Fourth Proportional to 151,847,138, 209,548,739.40 and 82,232,498

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Solution

The fourth proportional to 151,847,138, 209,548,739.40 and 82,232,498 is: 113,480,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,847,138 : 209,548,739.40 = 82,232,498 : x
  2. Step 2: Convert to fraction form
    151,847,138/209,548,739.40 = 82,232,498/x
  3. Step 3: Cross multiply
    151,847,138x = 209,548,739.40 × 82,232,498
  4. Step 4: Simplify right side
    151,847,138x = 17,231,716,293,613,022
  5. Step 5: Solve for x
    x = 17,231,716,293,613,022/151,847,138
  6. Step 6: Final answer
    x = 113,480,678.80

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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.