Home / 205,529,614.82-283,630,564.92-111,443,590.80

Finding the Fourth Proportional to 205,529,614.82, 283,630,564.92 and 111,443,590.80

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Solution

The fourth proportional to 205,529,614.82, 283,630,564.92 and 111,443,590.80 is: 153,791,990.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,529,614.82 : 283,630,564.92 = 111,443,590.80 : x
  2. Step 2: Convert to fraction form
    205,529,614.82/283,630,564.92 = 111,443,590.80/x
  3. Step 3: Cross multiply
    205,529,614.82x = 283,630,564.92 × 111,443,590.80
  4. Step 4: Simplify right side
    205,529,614.82x = 31,608,808,615,317,316
  5. Step 5: Solve for x
    x = 31,608,808,615,317,316/205,529,614.82
  6. Step 6: Final answer
    x = 153,791,990.72

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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.