Home / 205,395,855.12-283,446,522.38-111,310,001.58

Finding the Fourth Proportional to 205,395,855.12, 283,446,522.38 and 111,310,001.58

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Solution

The fourth proportional to 205,395,855.12, 283,446,522.38 and 111,310,001.58 is: 153,607,933.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,395,855.12 : 283,446,522.38 = 111,310,001.58 : x
  2. Step 2: Convert to fraction form
    205,395,855.12/283,446,522.38 = 111,310,001.58/x
  3. Step 3: Cross multiply
    205,395,855.12x = 283,446,522.38 × 111,310,001.58
  4. Step 4: Simplify right side
    205,395,855.12x = 31,550,432,853,963,304
  5. Step 5: Solve for x
    x = 31,550,432,853,963,304/205,395,855.12
  6. Step 6: Final answer
    x = 153,607,933.50

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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.