Home / 77,529,053.88-116,311,671.36-25,709,865.84

Finding the Fourth Proportional to 77,529,053.88, 116,311,671.36 and 25,709,865.84

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Solution

The fourth proportional to 77,529,053.88, 116,311,671.36 and 25,709,865.84 is: 38,570,797.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,529,053.88 : 116,311,671.36 = 25,709,865.84 : x
  2. Step 2: Convert to fraction form
    77,529,053.88/116,311,671.36 = 25,709,865.84/x
  3. Step 3: Cross multiply
    77,529,053.88x = 116,311,671.36 × 25,709,865.84
  4. Step 4: Simplify right side
    77,529,053.88x = 2,990,357,466,291,770.50
  5. Step 5: Solve for x
    x = 2,990,357,466,291,770.50/77,529,053.88
  6. Step 6: Final answer
    x = 38,570,797.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.