Home / 283,768,987.71-391,601,029.82-153,388,795.71

Finding the Fourth Proportional to 283,768,987.71, 391,601,029.82 and 153,388,795.71

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Solution

The fourth proportional to 283,768,987.71, 391,601,029.82 and 153,388,795.71 is: 211,676,444.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,768,987.71 : 391,601,029.82 = 153,388,795.71 : x
  2. Step 2: Convert to fraction form
    283,768,987.71/391,601,029.82 = 153,388,795.71/x
  3. Step 3: Cross multiply
    283,768,987.71x = 391,601,029.82 × 153,388,795.71
  4. Step 4: Simplify right side
    283,768,987.71x = 60,067,210,361,311,072
  5. Step 5: Solve for x
    x = 60,067,210,361,311,072/283,768,987.71
  6. Step 6: Final answer
    x = 211,676,444.45

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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.