Home / 50,688,004.70-76,032,007.05-45,556,535.90

Finding the Fourth Proportional to 50,688,004.70, 76,032,007.05 and 45,556,535.90

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Solution

The fourth proportional to 50,688,004.70, 76,032,007.05 and 45,556,535.90 is: 68,334,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688,004.70 : 76,032,007.05 = 45,556,535.90 : x
  2. Step 2: Convert to fraction form
    50,688,004.70/76,032,007.05 = 45,556,535.90/x
  3. Step 3: Cross multiply
    50,688,004.70x = 76,032,007.05 × 45,556,535.90
  4. Step 4: Simplify right side
    50,688,004.70x = 3,463,754,858,722,378
  5. Step 5: Solve for x
    x = 3,463,754,858,722,378/50,688,004.70
  6. Step 6: Final answer
    x = 68,334,803.85

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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.