Home / 205,395,853.87-283,446,520.65-111,310,000.32

Finding the Fourth Proportional to 205,395,853.87, 283,446,520.65 and 111,310,000.32

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Solution

The fourth proportional to 205,395,853.87, 283,446,520.65 and 111,310,000.32 is: 153,607,931.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,395,853.87 : 283,446,520.65 = 111,310,000.32 : x
  2. Step 2: Convert to fraction form
    205,395,853.87/283,446,520.65 = 111,310,000.32/x
  3. Step 3: Cross multiply
    205,395,853.87x = 283,446,520.65 × 111,310,000.32
  4. Step 4: Simplify right side
    205,395,853.87x = 31,550,432,305,317,308
  5. Step 5: Solve for x
    x = 31,550,432,305,317,308/205,395,853.87
  6. Step 6: Final answer
    x = 153,607,931.76

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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.