Home / 50,688,002.70-76,032,004.05-20,417,589.90

Finding the Fourth Proportional to 50,688,002.70, 76,032,004.05 and 20,417,589.90

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Solution

The fourth proportional to 50,688,002.70, 76,032,004.05 and 20,417,589.90 is: 30,626,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688,002.70 : 76,032,004.05 = 20,417,589.90 : x
  2. Step 2: Convert to fraction form
    50,688,002.70/76,032,004.05 = 20,417,589.90/x
  3. Step 3: Cross multiply
    50,688,002.70x = 76,032,004.05 × 20,417,589.90
  4. Step 4: Simplify right side
    50,688,002.70x = 1,552,390,277,968,039
  5. Step 5: Solve for x
    x = 1,552,390,277,968,039/50,688,002.70
  6. Step 6: Final answer
    x = 30,626,384.85

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1.5x scale

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.