Home / 136,932,651.39-188,971,628.88-75,053,148.51

Finding the Fourth Proportional to 136,932,651.39, 188,971,628.88 and 75,053,148.51

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Solution

The fourth proportional to 136,932,651.39, 188,971,628.88 and 75,053,148.51 is: 103,575,849.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,932,651.39 : 188,971,628.88 = 75,053,148.51 : x
  2. Step 2: Convert to fraction form
    136,932,651.39/188,971,628.88 = 75,053,148.51/x
  3. Step 3: Cross multiply
    136,932,651.39x = 188,971,628.88 × 75,053,148.51
  4. Step 4: Simplify right side
    136,932,651.39x = 14,182,915,726,491,234
  5. Step 5: Solve for x
    x = 14,182,915,726,491,234/136,932,651.39
  6. Step 6: Final answer
    x = 103,575,849.75

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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.