Home / 55,784,075.56-76,983,997.70-31,004,756.52

Finding the Fourth Proportional to 55,784,075.56, 76,983,997.70 and 31,004,756.52

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Solution

The fourth proportional to 55,784,075.56, 76,983,997.70 and 31,004,756.52 is: 42,787,660.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,784,075.56 : 76,983,997.70 = 31,004,756.52 : x
  2. Step 2: Convert to fraction form
    55,784,075.56/76,983,997.70 = 31,004,756.52/x
  3. Step 3: Cross multiply
    55,784,075.56x = 76,983,997.70 × 31,004,756.52
  4. Step 4: Simplify right side
    55,784,075.56x = 2,386,870,104,624,740
  5. Step 5: Solve for x
    x = 2,386,870,104,624,740/55,784,075.56
  6. Step 6: Final answer
    x = 42,787,660.83

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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.