Home / 77,433,591.45-106,859,723.81-42,152,416.59

Finding the Fourth Proportional to 77,433,591.45, 106,859,723.81 and 42,152,416.59

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Solution

The fourth proportional to 77,433,591.45, 106,859,723.81 and 42,152,416.59 is: 58,171,079.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,433,591.45 : 106,859,723.81 = 42,152,416.59 : x
  2. Step 2: Convert to fraction form
    77,433,591.45/106,859,723.81 = 42,152,416.59/x
  3. Step 3: Cross multiply
    77,433,591.45x = 106,859,723.81 × 42,152,416.59
  4. Step 4: Simplify right side
    77,433,591.45x = 4,504,395,594,520,701
  5. Step 5: Solve for x
    x = 4,504,395,594,520,701/77,433,591.45
  6. Step 6: Final answer
    x = 58,171,079.37

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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.