Home / 77,844,453.30-107,427,588.10-43,039,390.76

Finding the Fourth Proportional to 77,844,453.30, 107,427,588.10 and 43,039,390.76

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Solution

The fourth proportional to 77,844,453.30, 107,427,588.10 and 43,039,390.76 is: 59,395,599.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,844,453.30 : 107,427,588.10 = 43,039,390.76 : x
  2. Step 2: Convert to fraction form
    77,844,453.30/107,427,588.10 = 43,039,390.76/x
  3. Step 3: Cross multiply
    77,844,453.30x = 107,427,588.10 × 43,039,390.76
  4. Step 4: Simplify right side
    77,844,453.30x = 4,623,617,942,640,225
  5. Step 5: Solve for x
    x = 4,623,617,942,640,225/77,844,453.30
  6. Step 6: Final answer
    x = 59,395,599.13

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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.