Home / 109,815,532.77-151,558,874.78-63,405,708.78

Finding the Fourth Proportional to 109,815,532.77, 151,558,874.78 and 63,405,708.78

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Solution

The fourth proportional to 109,815,532.77, 151,558,874.78 and 63,405,708.78 is: 87,507,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,815,532.77 : 151,558,874.78 = 63,405,708.78 : x
  2. Step 2: Convert to fraction form
    109,815,532.77/151,558,874.78 = 63,405,708.78/x
  3. Step 3: Cross multiply
    109,815,532.77x = 151,558,874.78 × 63,405,708.78
  4. Step 4: Simplify right side
    109,815,532.77x = 9,609,697,877,008,138
  5. Step 5: Solve for x
    x = 9,609,697,877,008,138/109,815,532.77
  6. Step 6: Final answer
    x = 87,507,637.90

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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.