Home / 194,280,423.20-291,420,634.80-79,202,232.80

Finding the Fourth Proportional to 194,280,423.20, 291,420,634.80 and 79,202,232.80

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Solution

The fourth proportional to 194,280,423.20, 291,420,634.80 and 79,202,232.80 is: 118,803,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,280,423.20 : 291,420,634.80 = 79,202,232.80 : x
  2. Step 2: Convert to fraction form
    194,280,423.20/291,420,634.80 = 79,202,232.80/x
  3. Step 3: Cross multiply
    194,280,423.20x = 291,420,634.80 × 79,202,232.80
  4. Step 4: Simplify right side
    194,280,423.20x = 23,081,164,960,153,380
  5. Step 5: Solve for x
    x = 23,081,164,960,153,380/194,280,423.20
  6. Step 6: Final answer
    x = 118,803,349.20

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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.