Home / 251,808,815.20-377,713,222.80-149,520,200.80

Finding the Fourth Proportional to 251,808,815.20, 377,713,222.80 and 149,520,200.80

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Solution

The fourth proportional to 251,808,815.20, 377,713,222.80 and 149,520,200.80 is: 224,280,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,808,815.20 : 377,713,222.80 = 149,520,200.80 : x
  2. Step 2: Convert to fraction form
    251,808,815.20/377,713,222.80 = 149,520,200.80/x
  3. Step 3: Cross multiply
    251,808,815.20x = 377,713,222.80 × 149,520,200.80
  4. Step 4: Simplify right side
    251,808,815.20x = 56,475,756,917,871,144
  5. Step 5: Solve for x
    x = 56,475,756,917,871,144/251,808,815.20
  6. Step 6: Final answer
    x = 224,280,301.20

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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.