Home / 114,782,671.04-172,174,131.28-28,521,077.78

Finding the Fourth Proportional to 114,782,671.04, 172,174,131.28 and 28,521,077.78

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Solution

The fourth proportional to 114,782,671.04, 172,174,131.28 and 28,521,077.78 is: 42,781,647.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,782,671.04 : 172,174,131.28 = 28,521,077.78 : x
  2. Step 2: Convert to fraction form
    114,782,671.04/172,174,131.28 = 28,521,077.78/x
  3. Step 3: Cross multiply
    114,782,671.04x = 172,174,131.28 × 28,521,077.78
  4. Step 4: Simplify right side
    114,782,671.04x = 4,910,591,790,729,576
  5. Step 5: Solve for x
    x = 4,910,591,790,729,576/114,782,671.04
  6. Step 6: Final answer
    x = 42,781,647.67

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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.